Composition
Part of speech: noun
Definition: The combining of different parts to make a whole. The general makeup of something. A mixture or compound; the result of composing A work of music, literature or art. An essay. The formation of compound words from separate words. typesetting.
Example sentence: Writers are not just people who sit down and write. They hazard themselves. Every time you compose a book your composition of yourself is at stake.
Composing
Part of speech: verb
Definition: To make something by merging parts.
Example sentence: In a crazy way, writing is a lot like any kind of very complex game - like chess, where you have the knowledge as you're composing all of the ramifications of each move, of each choice you make.