You were just "volunteered" to be in charge of the lights for your school play, and the most experience you have is changing a lightbulb. Perhaps you need inspiration for creating a cool effect, or you just need to know what an "ellipsoidal" actually is, so you can have an intelligent conversation with the tech director. Check out the resources we've published below to help you shine.
These guides will help you get started in understanding how a lighting system works and a basic guide to properly light acting areas.