Occupations refers to the everyday activities that people engage in that have meaning and value in their lives, such as eating, working, sleeping, and social participation.

Context refers to the environmental factors and personal factors specific to each client that influence engagement and participation in occupations.

Performance patterns refer to “the acquired habits, routines, roles, and rituals used in the process of engaging in occupations and can support or hinder occupational performance”.

Performance skills refer to “observable, goal-directed actions and consist motor skills, process skills, and social interaction skills” and “result in a client’s quality of performing desired occupations”.

Client factors refer to “specific capacities, characteristics, or beliefs that reside within the person, group, or population and influence performance in occupations.”