Collection Associations allow administrators to determine the hierarchy of product categories as seen on a store. To manage category associations navigate to Admin Panel > Merchandise > Catalogs.

Adding a New Collection Association 

1.   Click on the catalog you wish to set up associations for.
   
   
2. Click on the Associated Collections tab.
3. Click + Associate Collections.
   
   
   
4. Choose a collection from the drop down menu.
5. Select whether the collection has a parent account. 
   • Collections without a parent will appear on the navigation bar of the store.
   • Collections with a parent will be shown when customers hover over the parent collection on the storefront.
6. Enter a Display Order for the category. Categories with lower display order numbers will appear on the store first.
7. Click Save.