documentation
noun [ U ] uk/ˌdɒk.jə.menˈteɪ.ʃən/ us/ˌdɑː.kjə.menˈteɪ.ʃən/
文件证据，证明文件
pieces of paper containing official information
Passengers without the correct documentation (= official papers saying who they are) will not be allowed to travel. 没有相关证件的乘客将不允许旅行。
（计算机设备或程序的）说明书
the instructions for using a computer device or program