Archive – the place in which archival objects, artefacts, or other documents are stored; perhaps accessed regularly, perhaps not.
Archiving – the process of placing something into the archive; categorisation, filing of some kind; placing definitions or tags upon an item; imposing logic?
Documenting/Documentation – the act (or process) of capturing, recording something, in some form; objective, or subjective?
Document – a piece of information, that acts as evidence of an event, action, or object etc; “a piece of written, printed, or electronic matter that provides information of evidence or that serves as an official record.