Reference Directories Directory Directories Directory for Reference . In general, a reference is something that refers to or designates something else, or acts as a connection or a link between two things. The objects it links may be concrete, such as books or locations, or abstract, such as data, thought, or memories. The object which is named by a reference, or to which the reference points, is the referent.In computer science, references are datatypes which refer to an object elsewhere in memory, and are used to construct a wide variety of data structures such as linked lists. Most programming languages support some form of reference.
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