[n] anything serving as a representation of a person's thinking by means of symbolic marks
[n] writing that provides information (especially information of an official nature)
[n] (computer science) a computer file that contains text (and possibly formatting instructions) using 7-bit ASCII characters
[n] a written account of ownership or obligation
[v] record in detail; "The parents documented every step of their child's development"
[v] support with evidence; "Can you document your claims?"