| Feeling | 
                The subjective, conscious experience of an emotional state; mental awareness of emotion. | 
            
            
                | Emotion | 
                A complex interaction of subjective feelings, physiological responses, and behavioral expressions, usually triggered by significant external stimuli. Emotions are more intense but shorter-lived than moods. | 
            
            
                | Affect | 
                An umbrella term for all emotional phenomena, both conscious and unconscious, including feelings, emotions, and moods. Often refers to the observable expression of emotion or the underlying emotional tone. | 
            
            
                | Affective | 
                An adjective relating to affect; describes anything pertaining to emotions, moods, or feelings (e.g., affective states). | 
            
            
                | Mood | 
                A relatively stable and long-lasting affective state. Moods are less intense, have no clear or immediate trigger, and can last from hours to years. |