Naming meaningful Variables, constants: nouns/short phrases with adj Functions/ methods ( command): verbs, short phrases with adj classes ( use classes to create things): nouns, short phrases with nouns name casing: snake_case: is_valid, send_response (python) camelCase: isValid, sendResponse ( java, js) PascalCase: AdminRole, UserRepository ( python, js, java) — classes kebab-case: , ( html) —-..