You add, edit and delete asset items from the Asset View.
Add new asset items
To add a new asset item, click the Add button on the toolbar. This will open the 'Asset Edit' window.
Edit asset items
Select the item you want to edit in the browse list, and either click the Edit button on the toolbar, or simply double-click the item. This will open the 'Asset Edit' window in edit mode.
Delete asset items
Select the item you want to delete in the browse list, then click the Delete button on the toolbar. You can also press the Ctrl+D shortcut. Confirm that you really want to delete the item by clicking Yes.
If you have selected more than one item, all selected items will be deleted.