Represents actual, often forceful, physical cutting motions.

Physical Action

Used to suggest persistent effort is required to break through something.

Persistence Needed

Implies a lack of precision or finesse, typically more brute force.

Symbolizes the act of working hard on a tough problem, not a physical action.

Reflects a mental struggle as in dealing with a puzzle or difficult task.

Can imply a level of frustration or difficulty in problem-solving.