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Glossary

The startup glossary

From incubator to term sheet: every term defined, explained and illustrated with a concrete example.

Updated 28 August 2026 · 55 terms

Startup vocabulary has a particular problem: it mixes everyday words used in a precise technical sense, French acronyms with no Anglo-Saxon equivalent, and anglicisms with no stable translation. The result is that two people at the same table can use the same term meaning different things, and sign anyway.

This glossary covers the whole path: the organisations that support you at the start, what you have to prove on the product side, then the financing vocabulary once investors enter the conversation. Every term is treated the same way: a short definition, what it actually means in practice, then a concrete example.

The example is the point. Knowing that a liquidation preference "determines the order of distribution of sale proceeds" helps nobody; seeing that it is worth €1.5M on an €8M exit changes how you read a term sheet. Same for incubators and accelerators: the definitions stay vague until you put the two side by side.

Ecosystem and support

The organisations and people orbiting a young company, and what they actually do.

Incubator

An incubator is an organisation that supports a startup at the very beginning, often before it has a finished product or a first customer. It provides space, mentoring and a working method over a long period of six to twenty-four months, and usually takes no equity.

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Accelerator

An accelerator is a short, highly selective programme, typically three to six months, for a startup that already has a product and early customers. It usually invests a small cheque in exchange for 5% to 10% of the company, and ends with a demo day in front of investors.

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Business angel

A business angel is an individual investing their own money in very young startups, generally €10K to €100K per deal. Unlike a fund they decide alone and quickly, and usually bring operating experience and a contact book alongside the cheque.

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Venture capital (VC)

Venture capital is equity investment into young, private, high-growth companies. A VC fund raises money from institutional investors, deploys it across twenty to thirty holdings, and has to return it to them multiplied within roughly ten years.

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Love money

Love money is money invested by the founder's circle: family, friends, people close to them. It is often a startup's very first financing, before any angel investor, and usually falls between €5,000 and €50,000.

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Honour loan

An honour loan is a personal, interest-free, unsecured loan granted to the founder rather than the company, by French entrepreneurship support networks. It strengthens personal contribution, which in turn unlocks a substantially larger bank loan.

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French innovation funding (CIR, CII, JEI)

French innovation funding covers the country's non-dilutive support schemes: Bpifrance grants and repayable advances, the research tax credit (CIR), the innovation tax credit (CII) and young innovative company (JEI) status. Combined, they can represent several hundred thousand euros without giving up a single share.

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LP and GP

LPs, or limited partners, are the investors who entrust their money to a fund. GPs, or general partners, are the fund's partners who make investment decisions and manage the portfolio. Understanding the distinction explains most of an investor's behaviour in a meeting.

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Equity crowdfunding

Equity crowdfunding lets a large number of individuals invest small amounts in a startup through a regulated platform. In exchange they receive shares, usually pooled into a single vehicle so the cap table does not fill with hundreds of names.

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Product and traction

What you have to prove before money enters the conversation, and the words used to describe it.

MVP (minimum viable product)

An MVP, or minimum viable product, is the smallest version of a product that lets you learn something decisive from real users. It is not a degraded version of the final product: it is an experiment designed to confirm or kill a specific hypothesis as fast as possible.

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Product-market fit

Product-market fit is the point at which a product meets a real need in a market large enough that demand stops being pushed and starts pulling. In practice it shows up as three signals: users stay, they come back on their own, and they tell others without being asked.

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Traction

Traction is measurable proof that the market is responding: users, customers, revenue, and above all steady progression. It is the one argument that replaces a narrative in an investor meeting, because it cannot be argued with.

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Pivot

A pivot is a structural change of direction that keeps the learning accumulated: you change the target, the product or the business model, but you keep what you understood about the problem. It is neither a failure nor an admission, it is a decision based on data.

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Go-to-market

Go-to-market is how a company reaches customers and converts them: which segment, through which channel, with what message and at what price. It is not a marketing plan, it is the choice of an acquisition path you can repeat.

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Ideal customer profile (ICP)

The ideal customer profile, or ICP, describes precisely the type of company or person for whom your product creates the most value. It is not your target market: it is the subset where you win most often, fastest, and where customers stay longest.

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Early adopter

An early adopter is a user who adopts a product before it is finished, because the problem they face is painful enough to be worth the inconvenience. They are the only audience capable of validating an MVP, since nobody else would tolerate an incomplete product.

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Fundraising process

The steps and documents between a first investor coffee and money landing on the account.

Term sheet

A term sheet is the two- to five-page document in which an investor sets out the conditions under which they propose to invest: valuation, amount, governance and protections. Apart from exclusivity and confidentiality it is not legally binding, but in practice what it contains is almost never renegotiated.

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Due diligence

Due diligence is the audit an investor runs after the term sheet to confirm the company is what it claimed to be. It covers legal, financial, product, commercial and team, and typically takes four to eight weeks on a European seed round.

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Data room

A data room is the secure online space where a startup gathers the documents investors review during due diligence. It replaces emailed attachments with traceable, revocable, organised access, so you know who read what and for how long.

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Lead investor

The lead investor sets the price of the round, runs due diligence, drafts the term sheet and usually writes the largest cheque. The other investors, called followers, accept the terms the lead negotiated without redoing the audit work.

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Shareholders' agreement

A shareholders' agreement is the private contract governing the relationship between a startup's shareholders: who can sell shares and on what terms, who decides what, and what happens when a founder leaves. It sits alongside the public articles of association and covers what those cannot.

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Pitch deck

A pitch deck is the ten to fifteen slide presentation a founder sends or presents to earn the next meeting. Its purpose is not to explain everything, but to give enough for an investor to want to know more.

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Roadshow

The roadshow is the active phase of a fundraise: the sequence of investor meetings run over a few weeks. It is best conducted in parallel rather than in series, so decisions land at the same time and create round momentum.

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Closing

Closing is when a round becomes effective: final documents are signed, the capital increase is recorded, then the money is transferred. It happens several weeks after the term sheet, once due diligence is complete and legal documentation is finalised.

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Bridge round

A bridge is interim financing raised between two rounds, meant to reach a milestone that will allow you to raise on better terms. It usually takes the form of convertible notes or warrants subscribed by investors already on the cap table.

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Down round

A down round is a financing round priced below the previous one. Beyond the mechanically larger dilution, it triggers existing investors' anti-dilution clauses, which amplifies the ownership founders lose.

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Warranties and indemnities

Warranties and indemnities are the undertaking by which founders guarantee to the investor that the information provided about the company is accurate. If a liability originating before completion surfaces afterwards, founders bear the financial consequences within the negotiated limits.

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Funding instruments

The legal vehicles used to invest before or during a priced round.

SAFE

A SAFE (Simple Agreement for Future Equity) is a contract under which an investor pays money now in exchange for shares issued later, at the next priced round. Created by Y Combinator in 2013, it is neither debt nor equity: no interest, no maturity date, only a promise to convert.

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BSA AIR

The BSA AIR (Bon de Souscription d'Actions – Accord d'Investissement Rapide) is the French instrument for investing in a startup without setting its valuation immediately. The investor pays now and receives shares at the next round, at a price bounded by a valuation floor and a valuation cap.

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Convertible note

A convertible note is a loan to a startup that turns into shares on a trigger event, usually the next funding round. Until it converts it remains debt: it accrues interest and must be repaid at maturity if no conversion occurs.

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BSA (share subscription warrants)

A BSA, or share subscription warrant, gives its holder the right to buy shares at a price fixed in advance, for a set period. Unlike a BSPCE it is not restricted to employees: it is used to compensate an advisor or a contractor, or to structure a financial transaction.

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Preferred shares

Preferred shares carry special rights that ordinary shares do not: liquidation preference, veto rights, enhanced information, sometimes a priority dividend. They are the class of shares professional investors subscribe to.

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Venture debt

Venture debt is a loan to a startup that has already raised equity, used alongside a round rather than instead of one. It dilutes very little, but it is repaid with interest and usually comes with warrants for the lender.

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Shareholder current account

A shareholder current account is a cash advance made by a shareholder to their company, repayable and creating no new shares. It is the simplest way for a founder to fund the business temporarily without changing the ownership split.

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Equity and dilution

Who owns what, at what price, and what founders keep after each round.

Cap table

A capitalisation table, or cap table, records who owns what in a startup: every shareholder, their share count, their percentage and the class of shares held. It is the first document an investor asks for, and the most revealing about how the company has been run.

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Dilution

Dilution is the fall in an existing shareholder's percentage when a company issues new shares. It does not reduce how many shares you own, only their relative weight: owning 20% of a €10M company beats owning 100% of a €1M one.

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Pre-money and post-money valuation

Pre-money valuation is what the company is worth before the round's money arrives; post-money is that same value plus the amount raised. The formula is direct, post-money = pre-money + amount raised, and an investor's stake is always computed against the post-money figure.

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BSPCE (French startup stock options)

A BSPCE (Bon de Souscription de Parts de Créateur d'Entreprise) is the French scheme granting an employee the right to buy shares in their company at a price fixed in advance. If the share value rises, the holder buys at the old price and keeps the difference.

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Liquidation preference

A liquidation preference sets the order and the amount each shareholder receives when the company is sold. A 1x non-participating preference guarantees the investor gets their money back before founders receive anything.

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Vesting and cliff

Vesting is the mechanism by which shares or options are only definitively earned over time spent at the company. The norm is four years with a twelve-month cliff during which nothing vests: leaving before that date means keeping nothing.

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Option pool

The option pool is the reserve of shares set aside for employees. Its size and the moment it is created are two separate negotiation points, and the second usually costs founders more than the first.

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Anti-dilution

An anti-dilution clause protects an investor against a fall in valuation at a later round. If the next round's price per share is below what they paid, they receive additional shares for free to compensate. Those shares come out of the founders' stake.

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Pro rata rights

Pro rata rights let an existing investor participate in later rounds up to their current ownership, so they are not diluted. It is a right to participate, never an obligation, and how a fund uses it is read closely by incoming investors.

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Exit

An exit is the event that turns shareholders' shares into cash: a trade sale, a buyout by a fund, or a listing. It is the horizon that shapes all of venture capital's logic, since a fund only realises its performance at that moment.

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Secondary sale

A secondary sale is the sale of existing shares by one shareholder to another, with no new shares issued and no money going to the company. It lets a founder or an early investor take some cash off the table before an exit.

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Metrics

The numbers an investor checks before even opening your deck.

Runway

Runway is the number of months a startup can operate before running out of cash at its current spending rate. It is cash available divided by monthly net burn, meaning spending after receipts are deducted.

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ARR and MRR

MRR (Monthly Recurring Revenue) is a subscription business's recurring monthly revenue; ARR (Annual Recurring Revenue) is its annual projection, twelve times MRR. Only contractual, repeatable revenue counts: one-off services are excluded.

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Burn rate

Burn rate is how fast a startup consumes its cash, expressed in euros per month. Gross burn is total spending; net burn subtracts receipts. Net burn is the figure that determines runway.

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CAC (customer acquisition cost)

Customer acquisition cost (CAC) is the average amount spent to win one new paying customer. It is total sales and marketing spend for a period divided by the number of customers acquired in that same period.

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LTV and the LTV/CAC ratio

LTV, or lifetime value, is the total gross margin a customer generates over their whole life as a customer. Divided by acquisition cost it gives the LTV/CAC ratio, which shows whether the business model works: below 3, acquisition costs too much relative to what it returns.

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Churn

Churn is the share of customers or revenue lost over a given period. Measured in customers it is called logo churn; measured in euros it is revenue churn. The gap between the two often says more than either figure alone.

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TAM, SAM and SOM

TAM, SAM and SOM describe three concentric market circles: TAM is the total theoretical market, SAM the portion your offer can genuinely address, SOM the portion you can capture in the near term. Investors look mainly at SOM, because it is the only one you are actually committing to.

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Unit economics

Unit economics describe the profitability of a single unit sold, usually one customer. They answer a simple question: when you sell one more, do you make money or lose it? While the answer is negative, growing makes the problem worse rather than solving it.

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Cohort analysis

A cohort groups customers who arrived in the same period and follows them over time. Cohort analysis shows whether the product is improving, by comparing how January's customers behave against June's at the same age.

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Rule of 40

The Rule of 40 adds a software company's annual growth rate to its operating margin. If the sum reaches 40 or more, the company is considered properly balanced between growth and profitability, whatever the split between the two.

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Frequently asked questions

What is the difference between an incubator and an accelerator?

An incubator supports a team still searching for its product over six to twenty-four months, and generally takes no equity. An accelerator works over three to six months with a startup that already has a product and customers, invests a small cheque and takes 5% to 10%. The full comparison is on the Incubator page.

Which term should you start with?

MVP and product-market fit if you are still at the product stage. Pre-money and post-money valuation, then dilution, as soon as an investor enters the conversation: those two shape how everything else reads.

Which terms are specific to France?

BSPCE, BSA AIR and the pacte d'associés have no strict equivalent in US law. SAFEs and stock options are their functional cousins, but the legal and tax regimes differ enough that you cannot substitute one for the other.

Does this glossary replace a lawyer?

No. It exists so you understand what is being discussed and can ask the right questions. Drafting and negotiating a term sheet, a shareholders' agreement or a convertible instrument is work for counsel who takes responsibility for your specific situation.

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