Note 1: Following are presented the definitions found for the construct in the used references, together with the theory/model.Note 2: The same construct can be present in more than one theory/model.Note 3: If the construct was not proposed in the original theory/model, it is identified as "Additional to theory/model".
Definition: Maintaining the needed basic field or elements of data.
Theory/model: Additional to TTF
Reference: (Karimi, Somers, & Gupta, 2004)