Data type, on the other hand, is a set of data with values that will have certain characteristics; it identifies both the kind of operation and values that can be entered and performed, respectively. Examples of data types used in computing are: integer, floating point number, character, and string, among others. Thus, the data item is the value.
With respect to programming, a language usually: specifies the range of values for a given data type, how the values are processed by the computer, and how they are stored.