Definition Of composing
(of elements) constitute or make up (a whole).
the system is composed of a group of machines
calm or settle (oneself or one's features or thoughts).
she tried to compose herself
prepare (a text) for printing by manually, mechanically, or electronically setting up the letters and other characters in the order to be printed.
He built an electronic printing system that would allow business customers to compose documents on an online template.
write or create (a work of art, especially music or poetry).
he composed the First Violin Sonata four years earlier