Chip High

What is the difference between a stage 1 and stage 2 chip?

I have a 93 chevy 3 / 4 Ton has 350 in it and I was searching for a chip jegs the engine is stock with the exception of cold air intake and headers and exhaust system high flow chip i was watching a Jet chip and performance Phase 1 says there is another chip that says that the reaction step 2 What is the difference?

It's like the numbers of the highest stage is the power you will update. Bullydog adjustable chip and makes diesel engines that I'm not sure if they do for gas, but are best offered securities, Level 1, Level 2 and Stage 3 performance.

32 nanometer high-k metal gate chips