Check out example codes for "conventional commits cheat sheet". It will help you in understanding the concepts better.

Code Example 1

feat Features: A new feature
fix Bug Fixes: A bug fix
docs Documentation: Documentation only changes
style Styles: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
refactor Code Refactoring: A code change that neither fixes a bug nor adds a feature
perf Performance Improvements: A code change that improves performance
test Tests: Adding missing tests or correcting existing tests
build Builds: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
ci Continuous Integrations: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
chore Chores: Other changes that don't modify src or test files
revert Reverts: Reverts a previous commit

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