The client's mood refers to his or her prevailing feeling state, while the client's affect refers to his or her long-term, underlying emotional well-being.

Affect

A psychological term referring to the observable expression of emotion or feelings which can change depending on the social situation.

Mood

A temporary state of feeling or emotion that can influence an individual's perception and behavior.

Emotional Well-being

A state of positive psychological functioning that encompasses feelings of happiness, satisfaction with life, and the absence of negative emotions such as depression and anxiety.