dünaamiline suhe inimese, keskkonna ja tegevuse vahel, mis võimaldab rahuldavalt täita oma rolle ning sooritada vajalikke tähendusrikkaid tegevusi, act of doing and accomplishing a selected action (performance skill), activity, or occupation (Fisher, 2009; Fisher & Griswold, 2014; Kielhofner, 2008) that results from the dynamic transaction among the client, the context, and the activity. Improving or enabling skills and patterns in occupational performance leads to engagement in occupations or activities (adapted in part from Law et al., 1996, p. 16)., result of a dynamic interwoven relationship between person, environment, and occupation; the ability to choose, organise and satisfactorily perform meaningful occupations