document
noun
writing that provides information (especially information of an official nature)
anything serving as a representation of a person's thinking by means of symbolic marks
a written account of ownership or obligation
(computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters
Synonymstext file
verb
record in detail
“The parents documented every step of their child's development”
support or supply with references
“Can you document your claims?”
Source: WordNet 3.1, Princeton University