English definition of “composition”
PARTS [U] › the parts, substances, etc that something consists of: the composition of the atmosphere
MUSIC [C] › a piece of music that someone has written: The children played their own compositions in the concert.
WRITING MUSIC [U] › the process or skill of writing music: He taught composition at Yale.
WRITING [C, U] › a short piece of writing about a particular subject, done by a student
ARRANGEMENT [U] › the way that people or things are arranged in a painting or photograph