The term "pop" can refer to several different meanings depending on its context.
1) In music, pop refers to a genre that is characterized by catchy melodies and upbeat rhythms aimed at mainstream audiences. It often features simple chord progressions and memorable hooks.
2) "Pop" can also refer to something popular or widely accepted as true or correct, especially in the context of cultural trends or fads.
3) In a more general sense, pop is an abbreviation for "popular," which means well-liked or enjoyed by many people.