Hook
훅
The catchiest, most memorable part of a song — the part that "hooks" the listener.
1 In Detail
A hook is built from melody, rhythm, and lyrics together. The whole chorus can be the hook, or it might be a single phrase or a guitar riff.
2 Examples
Practical Tips
A good hook should be simple yet distinctive. A melody that's easy to sing along to works better as a hook than a complicated one.