Worst-case scenario: the UEd Goblin wipes the map and burns down your house.
Legacy:Resource Browser
From Unreal Wiki, The Unreal Engine Documentation Site
The a resouce browser is a general term that encompasses:
- Actor Class Browser
- Animation Browser
- Group Browser
- Mesh Browser
- Music Browser
- Prefab Browser
- Sound Browser
- Static Mesh Browser
- Texture Browser
Resource browsers display resources (or assets) in a package.