Gather offers you the ability to add statuses unique to your workflow.
Step 1: On the left side of your account, hover over the profile icon in the bottom corner. From the menu, select "Settings."
Step 2: Select the "Statuses" tab.
Step 3: There are a total of 25 statuses. Gather starts you out with 9 default statuses. 3 of these, shown below, cannot be edited or deleted as they are tied to the client side of the system.
Step 4: The remaining default statuses can be renamed by clicking on the pencil icon or deleted by clicking the trash icon.
Step 5: To add more custom statuses, simply click "Add Statuses" and enter a name.
Step 6: Statuses can be reordered by clicking on the 2 lines and dragging the status up or down into position.
To learn more about Custom Statuses, check out this video