Different terms mean different things depending on the context. For example: Is “Customer” the same for Finance as it is for Sales? Do the same rules apply? What are the policies? Which underlying business objectives are they representing? Who are the owners, stewards and stakeholders?
A business glossary is a key component to tackle the questions above. The collaborative and iterative creation of such an inventory is a mandatory first task for the core data governance team. Once this process is up and running you have a solid foundation to move data governance forward.