Dictionary

An advisement providing more up-to-date information than currently known.

Example: He gave me an update on the situation in New York.

A change in information, a modification of existing or known data.

Example: I just made an update to the Wikipedia article on guerillas.

An additional piece of information. An addition to existing information.

Example: I just made an update to my blog about my trip to Rome.

A modification of something to a more recent, up-to-date version; (in software) a minor upgrade.

Example: I have a couple of updates to install on your laptop.

To bring (a thing) up to date.

Example: 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.

Example: Update me on what happened while I was away.