A joke is a form of humor that typically consists of a setup and a punchline. The setup introduces a situation or premise, while the punchline delivers an unexpected twist or conclusion that elicits laughter. Jokes can be verbal, written, or visual, and they often rely on wordplay, absurdity, or cultural references to create humor. Jokes can vary in style and complexity, ranging from simple one-liners to longer anecdotes. They are commonly shared in social settings and can serve as a way to bond with others. The effectiveness of a joke often depends on timing, delivery, and the audience's sense of humor.