The startup launch & growth glossary

Plain-English definitions of the terms founders and indie hackers actually run into when launching and growing a product.

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CAC Payback Period

Metrics

CAC Payback Period is the number of months it takes for the gross margin generated by a new customer to cover the cost of acquiring them.

CAC vs LTV Ratio

Metrics

The CAC vs LTV ratio compares what it costs to acquire a customer against the total revenue that customer generates, revealing whether a business model can scale profitably.

Churn Rate

Metrics

Churn rate is the percentage of customers or revenue a business loses over a specific period, typically measured monthly or annually.

Cohort Retention

Metrics

Cohort retention measures the percentage of users from a specific signup group who remain active at set time intervals after joining.

Cold Email Sequence

Channels

A cold email sequence is a series of scheduled, automated emails sent to prospects who have not opted in, designed to introduce a product and prompt a reply.

Cold Outreach

Channels

Cold outreach is contacting potential customers, partners, or hires with no prior relationship, usually through email, LinkedIn, or DMs, to start a business conversation.

Community-Led Growth

Growth

Community-led growth is a strategy in which a brand builds an engaged community that fuels product awareness, feedback, and adoption before or alongside a formal launch.

Customer Acquisition Cost (CAC)

Metrics

Customer Acquisition Cost (CAC) is the average amount a company spends on sales and marketing to acquire one new paying customer.

Customer Lifetime Value (LTV)

Metrics

Customer Lifetime Value (LTV) is the total revenue a business expects to earn from a single customer over the entire span of their relationship.

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