in a project the metadata can be stored as the Assembly Version info, Name, Signatures, Culture,.......

MetaData means the information about the particular object or any data for e.g data type of object ,value type or ref type and so on

MetaData Is The Information about DATA.

Metadata means data about data

You can see answer from following link. http://www.c-sharpcorner.com/Interviews/answer/5926/what-is-metadata