n. An advisement providing more up-to-date information than currently known.n. A change in information, a modification of existing or known data.n. An additional piece of information. An addition to existing information.n. A modification of something to a more recent, up-to-date version; (in software) a minor upgrade.n. A version of something which is newer than other versions.v. To bring (a thing) up to date.v. To bring (a person) up to date: to inform (a person) about recent developments.