snapshot

Short definition from Wiktionary

Noun

1. 1
   A photograph, especially one taken quickly or in a sudden moment of opportunity.
2. 2
   A glimpse of something; a portrayal of something at a moment in time.
3. 3
   A file or set of files captured at a particular time, often capable of being reloaded to restore the earlier state.
4. 4
   A quick, unplanned or unexpected shot.
5. 5
   A quick offhand shot, made without deliberately taking aim over the sights.

Verb

1. 1
   To take a photograph of.
2. 2
   To capture the state of, in a snapshot.