A value used to describe a particular characteristic of a data element. There are four different instances available for each data element, namely: average, maximum, minimum, and delta.
a particular variable of that datatype
a particular variable of this datatype
A particular example or entry of an entity; Welwyn Garden City is an instance of the entity `towns'.
A particular case of a problem.
a set of values representing a specific entity belonging to a particular entity type.