If you want a little more organization inside of your collections, you can add dividers—they work as subheadings within your Playlist. Customers will see these dividers when viewing a collection.
Navigate to the collection you want to add dividers for under Content > Collections and click Edit.
Under the Playlist tab, click Add Divider. After giving it a title, you can simply drag and drop it to where you want to place it.
Dividers will then segment your content for your customers as seen below: