Mauro Tuvo, Egle Romagnolli Business Glossary: a “must” or a “nice to have”? Free Download Inside the white paper you’ll find What is a Business Glossary? In its most basic form, a business glossary is one of the main components of a metadata repository (Where ‘metadata’ is defined as information that describes single data or sets of data). Business Glossary objectives For a business glossary to be successful, a clear definition of its purposes must be stipulated. How is the Business Glossary created and improved? Metadata in the corporate glossary can come from a variety of sources: IT systems, manual contributions, etc.