《叶子》是大三信息图表设计的课程作业，我通过信息收集整理归纳，最后分为定义、组成、形态、组织和结构、叶序、叶色、落叶七方面对其进行阐述。

"Leaves" is a course assignment of information chart design in the junior year. I collected and summarized the information, and elaborated it in seven aspects, including definition, composition, form, organization and structure, leaf order, leaf color and leaf deciduous.