documentation

US /ˌdɑː.kjə.menˈteɪ.ʃən/
UK /ˌdɑː.kjə.menˈteɪ.ʃən/
"documentation" picture
1.

material that provides official information or evidence or that serves as a record

:
Please provide all necessary documentation for your visa application.
The project requires extensive technical documentation.
2.

the process of creating or collecting documents

:
The documentation of historical events is crucial for future generations.
Effective documentation practices improve project transparency.