GIS Themes manages information about the spatial data representing Network, Assets and other record types that can be displayed and edited using AWLRS Theme information is stored in the Exor database in the NM_THEMES_ALL table and a number of related tables.

Asset themes use the Inventory Type Views created using the Asset Types and the Group Types forms.

The GIS Themes Details form contains an entry for every spatial layer used by AWLRS. This includes linear and non-linear network types, asset types or other record types stored in the database as spatial tables for use with AWLRS.