1. a quality or feature of an object that suggests how it can be used; the possibility of an action offered by an object or environment.
Usage: commonly used in design, psychology, and human-computer interaction; coined by psychologist James J. Gibson in 1977

Examples

• The handle on a door is an affordance that suggests you should pull or push it.
• Good user interface design relies on affordances to guide users intuitively.
• A button's raised surface is an affordance that invites clicking.
• The affordance of a chair is to sit on it.
• Designers use affordances to make products easier to understand without instructions.