Help

i have downloaded blender and imported a 3ds model i made previously. i have managed to group some geometry together using the join function and have copied this geometry. how do i move it so that a point on the group lines up with a point on the model elsewhere. sorry if i have used the wrong terms i amused to google sketchup.

Use the snapping tools http://cgcookie.com/blender/2011/08/03/tip-using-the-snapping-tool-in-blender-2-5/