When GD Products Center plugin is active, it will attempt to detect and initialize itself for pages types related to products. When such page is detected, plugin will make modifications to main WordPress Query object and prepare for rendering output related to products.
GD Products Center 1.2 adds support for company types (Brand and Seller added). If you used taxonomies to add Brand/Manufacturer to product types with previous plugin versions, it is important to switch to Brand company type, and this video will show you how to do it.
Index module registers new taxonomy to use for indexing of post types. Video show the process of setup for module, working with post types and themes integration (using widgets or functions), xScape themes integration and modifications to post types and Index taxonomy.