To create or write a piece of music, poetry, or other artistic work. She composed a beautiful symphony for the orchestra.
To form or make up a whole, especially by combining various elements. The committee is composed of members from different departments.
To calm or settle oneself or one's emotions. He took a deep breath to compose himself before speaking.
To arrange or put together parts to form a whole, especially in a careful or artistic way. The photographer composed the shot to include the mountains in the background.
To create (a letter, email, or other piece of writing) by putting words together. She sat down to compose a quick email to her team.