NCIt definition : An indication of the form that a value will have. Examples include string, integer,
and character.;
Alternative definition : CDISC-GLOSS: Data types define the structural format of the data carried in the attribute
and influence the set of allowable values an attribute may assume. [HL7]; CareLex: An indication of the form that a value will have. Examples include string,
integer, and character. [NCI];