Gulf of Execution

A concept from Don Norman's theory of action describing the gap between a user's intention and the actions available to achieve that goal through an interface. When the gulf of execution is large, users struggle to figure out how to operate a system to accomplish their objectives. For people with cognitive disabilities, this gulf widens significantly — navigating complex menus, remembering multi-step sequences, and recovering from errors all become more difficult. Reducing the gulf of execution through simplified interfaces, clear affordances, and activity-based organization is a key accessibility strategy.