°An advisement providing more up-to-date information than currently known.
"He gave me an update on the situation in New York"
°A change in information, a modification of existing or known data.
"I just made an update to the Wikipedia article on gorillas"
verb
"I need to update my records to take account of the most recent transaction."
°To bring (a person) up to date: to inform (a person) about recent developments.