Address Integration Pattern
Addresses in Microsoft Dynamics NAV are not fully normalized. Each implementation creates a new set of predefined fields in a table, and copies the values. This has some advantages such as simplicity and filtering. The downside is that addresses use a lot of space in the record sets.
This video, available at https://www.youtube.com/watch?v=60Wrx9N-gfY&list=PLhZ3P-LY7CqmVszuvtJLujFyHpsVN0U_w&index=19, explains the Address Integration Pattern.