A plain glossary for makers

Short, practical definitions of the words that come up when you build, launch and share what you make.

Glossary

MRR

MRR, monthly recurring revenue, is subscription revenue normalized to one month. How to calculate it, what to leave out, and how to show it verified.

Glossary

ARR

ARR, annual recurring revenue, is the yearly value of your subscriptions, usually MRR times twelve. When founders use ARR and when MRR is clearer.

Glossary

Link in bio

A link in bio is one page, linked from your social profiles, that gathers your links in one place. What it means, what to put on it, and how to choose.

Glossary

Build in public

Building in public means sharing your progress, numbers and mistakes openly as you build. What it involves, why makers do it, and what to share.

Glossary

Verified revenue

Verified revenue is income read straight from Stripe or Shopify with read-only access, not typed in or screenshotted. How it works and why it matters.

Glossary

Stripe restricted key

A Stripe restricted key is an API key with only the permissions you pick. How to create a read-only key for subscriptions and charges, safely.

Glossary

Double opt-in

Double opt-in means new subscribers confirm their email by clicking a link before joining your list. Why it matters for deliverability and consent.

Glossary

CNAME flattening

CNAME flattening lets you point a root domain like yourname.com at a service that needs a CNAME. How it works, ALIAS and ANAME records, and when you need it.

The money terms come with free calculators: work out MRR and ARR from your plans, or tag a bio link with the UTM builder; all of them are on the free tools page. For the practical side, read how to show verified MRR browse the features these terms describe, or read the blog.

One link for everything you make

Free for up to 5 projects. Pro is $20/year.