Drag the Window

There is a hidden dragging area in the top left corner:

Close the Window

You can do that by either:

• End the process in Terminal by ^C / Ctrl+C
• Keyboard shortcuts ⌘W / ⌘Q / Alt+F4
• Menu:
  

Change the URL

Just close it and create another :)

Navigation

• ⌘[ - Backward
• ⌘] - Forward

The rest is basically the same as Chrome.