Snap vs Snap away
According to my dictionary, it seems that "snap away" can be optional, but I'm not sure. What is the difference between these verbs. If they are not optional, I would understand "away" as a normal preposition of being away from something.

[transitive, intransitive] (informal) to take a photograph

snap something A passing tourist snapped the incident.
snap (away) She seemed oblivious to the crowds of photographers snapping away.

PS: This is taking a quick photo, right?

Thank you in advance!

Question

Snap vs Snap away
According to my dictionary, it seems that "snap away" can be optional, but I'm not sure. What is the difference between these verbs. If they are not optional, I would understand "away" as a normal preposition of being away from something.

[transitive, intransitive] (informal) to take a photograph

snap something A passing tourist snapped the incident.
snap (away) She seemed oblivious to the crowds of photographers snapping away.

PS: This is taking a quick photo, right?

Thank you in advance!

Answer

'Snapping away' would mean to take a large number of photos, one after the other.  It would usually would be at a fast pace, but the number is also important.

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