n. a systematic interpretation or explanation (usually written) of a specific topic
n. an account that sets forth the meaning or intent of a writing or discourse
n. (music) the section of a movement (especially in sonata form) where the major musical themes first occur
n. 阐述, 讲解, 说明, 博览会, 展览会
[经] 展览会, 集市, 义卖市场