1. to annotate; to provide explanatory notes on a written text
2. an annotation; an explanatory note
3. (bound form) to put on record; to register

1. home
2. family
3. (polite) my (sister, uncle etc)
4. classifier for families or businesses
5. refers to the philosophical schools of pre-Han China
6. noun suffix for a specialist in some activity, such as a musician or revolutionary, corresponding to English -ist, -er, -ary or -ian

classifier: 個