popupid: keyvalue](Mapping) A piece of information attached to an Entity. The keyvalue is composed of two components: A Key, which uniquely identifies the bit of data, and a Value, which contains the actual data for that specific key. The value is always dependant on the key, but the key is never dependant on the value. An example of a keyvalue for an entity, such as a moving door, may be: Key: Speed (units per second) Value: 10 In programming, a pointer to a keyvalue data structure is often abbreviated as PKVD.

Specifies a business classification, such as the nine-digit DU-N-S number used for businesses worldwide. LMNO