Its nothing big. I would get a mechanic to look at your starter motor, battery, and alternator. If you don't fix the problem, the car one day may not turn on when you turn the key.These are common problems in all cars of that age. Don't listen to the Raven.
Valve lifters which are not working would make a knocking, not clicking sound...
http://www.ehow.com/how-does_5006538...ters-work.html