Tracking is making sure that the front wheels in particular are facing in the correct direction determined by the manufacturer.
The front wheels are easily adjusted when on a tracking ramp which uses lasers to get accurate measurements - hopefully this applies to the operator too! He should first lock the steering wheel in the ahead position and then get busy.
If you want to help him, back off the big nuts that secure the track rod end so they aren't seized then do them up again. The track rods coming out of the steering rack have flats on so they can be held by another spanner to stop them rotating.
The rear wheels are likely to be adjusted courtesy of shims and for sure I'd leave that well alone, so long as the car hasn't been pranged!
Good luck with it, we'd like to hear any updates - and check the date of the tyres just to ascertain they aren't antique!
John