Collections are your Channels' sub-levels of organization. They're here for you to further sort your information and notes 🗂
You can find collections in the Sorted tab of your channels
You can create a collection through the button at the right of the new button note.
You can add sub-collection when clicking on the settings of a collection. Just hover the right of it.
You can create an infinite amount of collection levels in a channel
You can drag and drop your collections to reorder them. You can also drag and drop a collection to move it inside another collection.