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What does "convention" mean in programming?
convention is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
An agreed-upon rule or style followed consistently across a codebase or team. Conventions cover naming (camelCase vs snake_case), file structure, commit message format, and more. Following conventions reduces cognitive load and eases onboarding.
Example
"By convention, React components are named in PascalCase — Button, not button or button-component."
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