The students plotted points on a 'grid'.
The city streets form a 'grid'.
(..) It's the Enterprise. They've destroyed the admiral's ship. - What is the status of the Borg cube? - The outer hull has been damaged. I am reading fluctuations in their power grid. Number One, open a channel to the fleet. This is Capt Picard. I'm taking command of the fleet. (..)1996 Star Trek: First Contact