core activity: Term used in discussions of disability that refers to the basic activities of daily living: self-care, mobility and communication.
core activity limitation: A limitation where someone needs help with – or is having difficulty in using aids and equipment for – self-care, mobility and/or communication. See also disability, mild or moderate core activity limitation and severe or profound core activity limitation.
disability: An umbrella term for any or all of the following: an impairment of body structure or function, a limitation in activities, or a restriction in participation. Disability is a multidimensional concept and is considered as an interaction between health conditions and personal and environmental factors. See also core activity limitation, mild or moderate core activity limitation and severe or profound core activity limitation.