Metadata is referred to as the data of the data. In Data Management, it refers to the physical content of the data, such as the storage location and format.
It is data that says, "What kind of data is this data and what format is it?"
Data called "meta data" can also refer to data used to classify materials in libraries and other places.
If you want to call the classification name of a keyword in a document metadata, you can use tags like XML as the contents of the "tags" in the language that determines the structure.
Wwhen the keyword of the material is called metadata, this data also has the role of master data as well as metadata.