Some people might take longer to 'catch on' to new ideas or skills, indicating a gradual understanding.

Learning Curve

Describes the moment of sudden understanding or realization when something 'clicks'.

Aha Moment

Implies learning by watching others, picking up hints and finally understanding.

Indicates how a new trend or fashion spreads among people, growing in popularity.

Sometimes, trends 'catch on' without being initially designed to be popular or go viral.

Some trends 'catch on' particularly with certain age groups, defining generational tastes.

Refers to when something starts burning unexpectedly, sometimes leading to emergencies.

Highlights the risk of materials catching fire, used as a caution in dangerous situations.