You can link rooms together with Warps (just click on the hammer in the primary toolbar second from the right and click "warp"). It looks like this:
Once you click "warp," a menu of your most recent rooms will appear that you can connect to your current room. Once you click on the room you want to connect, a portal will appear in your room that you can click on to warp to. It looks like this:
Warps allow anyone in one room to quickly move to another room. Plus, you can add as many warps as you like to your room and have an entire universe of rooms.