Make a line, rectangle and others images, put them into a UIAtlas and draw them as UISprites.
Draw them inside a UIpanel that has the Offset checked, so you can move it and its children with the panel.transform's localposition.
If you want anything more detailed, you're gonna have to ask in more detail. For now, look inside the examples folder that comes with NGUI, there's examples of most of the basic stuff.
