This is the 14453rd most frequent German word.
komponieren
To compose (music).
Here, 'komponieren' refers to the act of creating and arranging pieces of music professionally or as an artistic expression.
Er komponiert klassische Musik.
He composes classical music.
In this sentence, 'komponieren' indicates the creation of a specific musical piece for a band to perform.
Sie komponierte einen neuen Song für die Band.
She composed a new song for the band.
Here, 'komponieren' metaphorically describes how something (in this case, a program) is put together or designed thoughtfully.