Intentionality refers to the quality of mental states that are directed toward an object or an idea. It is a fundamental concept in philosophy and psychology, indicating that thoughts, beliefs, and desires are always about something. For example, when someone thinks about a vacation, their thought is directed toward the idea of taking a trip, demonstrating intentionality. In philosophy, particularly in the works of Franz Brentano and Edmund Husserl, intentionality is crucial for understanding consciousness. It suggests that our mental experiences are not isolated but are always connected to the world around us. This connection helps explain how we interpret and interact with our environment, shaping our understanding of reality.