composition

Compared meaning: a piece of written work (noun).

比较义项：书面作品／写作内容（名词）。

• writing

  Broad, general term for any written work or for the skill of writing itself; not limited to short pieces or school assignments, and can refer to a book, article, or a personal writing style.

  泛指任何书面作品，或指写作这项技能本身；不限于短篇或学校作业，可以指一本书、一篇文章，或一个人自己的写作风格。

  Her writing has improved a lot since she started keeping a diary.

  自从开始写日记以来，她的写作进步了很多。

• composition 本词

  A short piece of writing, especially a school assignment or exercise on a set topic; narrower and more formal than writing, used mainly in an academic context.

  指一篇较短的文章，尤指围绕某个题目布置的学校作业或练习；比writing范围更窄、语域更正式，主要用于学术场景。

  The teacher assigned a composition about our favorite season.

  老师布置了一篇关于我们最喜欢的季节的作文。

Writing is a broad, general term for any written work, or the skill of writing; it is not limited to short pieces. Composition is a short piece of writing, especially a school assignment on a set topic; it is narrower and more formal, mainly academic.

这两个词都指“写出来的东西”，但writing泛指任何书面作品或写作行为本身，范围很广；composition则特指一篇较短的文章，通常是学校布置的作文，语域更正式、范围更窄。