What is the meaning of Update?

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

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

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

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

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

   An adjustment of parametres in a model, or the rule by which they are adjusted.

   A version of something which is newer than other versions.

   To bring (a thing) up to date.

   To bring (a person) up to date: to inform (a person) about recent developments.

   update (Classifier: 個／个 c)

   to update

   up-to-date

   an update

   inflection of updater:

   1. first/third-person singular present indicative/subjunctive
   2. second-person singular imperative

   first/third-person singular present indicative/subjunctive

   second-person singular imperative

   update (action of making something up to date)

   update

   Source: wiktionary.org