Categories are designed to help users browse to the assets that are most relevant to them, without having a direct link to the permissions a user has against assets within that category. 

Category management is controlled wholly through the Admin > Categories page. From here you are able to add categories and sub-categories, as well as move them to different locations in the system.

Name
This is the name of the category that will be displayed whilst browsing, etc.

Description
The description of a category will be displayed at the top of the page when you are browsing that category or sub-category.

Image
Categories can be assigned images that will appear both on the homepage and whilst browsing - this is also possible for sub-categories. In order to select an image you will need to upload a file stored locally on your computer rather than selecting an asset within the system.

Show advanced download?
Give your users access to the Advanced Download options on this category by ticking the ‘Show Advanced Download’ tick box. (Note, users must also be in groups that have Advanced Download set in order to see this option at point of download.)

Is browsable?
This option (which is selected by default when a new category is added) dictates whether a category can be browsed from the Browse menu.

Promote items?
The two options here ("promoted items" and "recent items") allow you to display highlight relevant files whilst browsing that category or sub-category.

View type override
This is a legacy option in the latest versions of Asset Bank. Previously this option allowed you to choose from different display options for Browse pages, but these have now been collated into a single view.

Always Assignable?
If this option is selected the category can be assigned to assets even if the category has sub-categories. By default it is not selected, meaning that a category can only be selected for an asset when it has no children.