snap
n. countable C1 Advanced Oxford US //ˈsnæp// UK //snˈæp// snap
n. an informal word for something that is very easy to do. If a task is a snap, it means you can do it quickly without any problems.
n. A task or undertaking that is extremely easy to accomplish. This sense is informal and typically used predicatively with the verb 'to be'.
The new software is a snap to use.
Once you learn the basic rules of the game, winning your first match is a snap.
For the veteran programmer, debugging the legacy code was a snap, a simple matter of recalling its original architecture.
Usage
Typically used predicatively after the verb 'to be', often in the construction 'it's a snap'.