Data (computing)

Quantities, characters, or symbols on which operations are performed by a computer
Various types of data which can be visualized through a computer device

Metadata helps translate data to information. Metadata is data about the data. Metadata may be implied, specified or given.

Data can be represented in computers in multiple ways, as per the following examples:

It is only after instantiation that an object of a specified class exists. After an object's reference is cleared, the object also ceases to exist. The memory locations where the object's data was stored are garbage and are reclassified as unused memory available for reuse.