Best used in casual conversations rather than formal writing or professional settings.

Colloquial Usage

Often used to advise someone to improve their understanding or behavior.

Self-Improvement

Can express frustration or impatience with someone's naivety or ignorance.

Used when one person has more information and wants to inform or correct another.

Can imply the listener is missing out on key facts or common knowledge that others have.

Similar to the first definition, it's informal and fits better in spoken language or casual writing.