The classification of disability.

The classification of disability 'When I use a word', Humpty Dumpty said in rather a scornful tone, 'it means just what I choose it to mean, neither more nor less'.Through the Looking Glass, by Lewis Carroll.In classifying disability there are six linked concepts.(A) Disease disorder or damage.(B) Loss or abnormality of psychological or physiological or anatomical function: due to A. (C) Restriction or lack of ability in expected human activity: due to A or B.(D) Disadvantage that limits or prevents fulfilment of expected social roles: due to B or C.(E) Disadvantage that limits or prevents fulfilment of expected social roles: due to F.(F) Social structure, attitudes, and resources: related to A.The problem is not the concepts themselves but the labels we attach to them.