Collections allow you to group Projects from artists all over ArtStation. They are private and can only be viewed by you.
There are two ways to create a Collection.
From your menu click on Collections.
Name your Collection and click Save.
You will now be ready to add projects to your collection and they can be viewed in the same section.
Collections can be created from a project page when adding to a collection.
From a project page, click on Add to collection.
You will then be able to add your artwork to an existing collection or create a new one.
Name your new collection and click "Create". Your new Collection will be created and the project will automatically be part of the new collection.