Engelsk definition
Ability regarding basic physical and cognitive activities such as walking or reaching, focusing attention, and communicating, as well as the routine activities of daily living, including eating, bathing, dressing, transferring, and toileting; and life situations such as school or play for children and, for adults, work outside the home or maintaining a household. (from https://www.ncvhs.hhs.gov/wp-content/uploads/2017/08/010617rp.pdf)