documentation

documentation
noun
[mass noun]
  1. material that provides official information or evidence or that serves as a record
    文件;文献
    you will have to complete the relevant documentation.
    你将必须提供相关的文件。
    ■the written specification and instructions accompanying a computer program or hardware
    (计算机程序或硬件的)文件
  2. the process of classifying and annotating texts, photographs, etc.
    (对文本、照片等的)分类;评注
    she arranged the collection and documentation of photographs.
    她安排照片的收集和评注工作。
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