An ontology of terms for use with Index of Multiple Deprivation data. The details of the methodology and definitions of terms can be found in http://www.communities.gov.uk/documents/statistics/pdf/1871208.pdf . Seven distinct domains have been identified: Income Deprivation, Employment Deprivation, Health Deprivation and Disability, Education Skills and Training Deprivation, Barriers to Housing and Services, Living Environment Deprivation, and Crime. Individual domains can be used in isolation as measures of each specific form of deprivation. They can also be combined, using appropriate weights, into a single overall Index of Multiple Deprivation which can be used to rank every small area in England according to the deprivation experienced by the people living there.