FramesResized resizes some default UI frames like the LootFrame, RaidInfo, TradeSkillUI and TrainerUI to show more lines. It also makes some of these frames moveable. These features can be disabled for each individual part via the interface options. These can be accessed via the ESC menu or via /fr.
You know a texture path. You want to see the texture. You're too lazy to go write a quick stub to display it, or extract the assets from the game client and get tools to view BLPs. This helps you with that. Type /texview Paste a texture path into the box that appears Press the x/y scaling buttons until you have the right proportions Scroll the mouse on the frame to zoom