A brief composition is a short piece of writing, usually no more than a few paragraphs. It can be an essay, a story, or a poem. The term 'brief composition' is often used in educational settings to refer to a type of assignment that requires students to write a concise piece of work. The crossword solution for the term 'brief composition' is 'COTTON, ' which is a type of fabric made from fibers of the COTTON plant.