How the current tenant uses the occupied space. The options are as follows: Office: This space is used for office purposes. Industrial: Space used exclusively for industrial purposes. Retail: Space is used for retail purposes. Medical: Space is used exclusively or primarily for medical offices. Medical offices require special services, laboratory support, etc. They also require a large number of visitors’ parking space. Medical space is considered a subset of office space and is counted as such. Flex: the type of space is only found in Flex buildings. It can be used as office, warehouse storage space, for quasi-retail or research and development. Warehouse: A subset of Industrial and Flex space, warehouse space is used exclusively for storage.