Data that describes other data. For databases, metadata describes properties of the data store itself, as well as the definition of the schema.
A term that refers to the staggering amount and variety of data produced by businesses every day. This is largely due to the variety of enterprise software, mobile apps, storage systems, and data formats each company relies on.
The process of dividing the data into groups of entities whose members are in some way similar to each other. Data privacy and security professionals can then categorize that data as high, medium, and low sensitivity data.