WHAT DOES AUTO CHIP-TUNING TURBO STAGE MEAN?

It’s a little baffling because there can usually be a large wide variety in stage two tuning and mods. Some engines could possibly be regarded as stage two that has a tune, intake, and headers. A different should be stage 2 but have more mods which include cams, intake manifold, gas pump and injector upgrades, and so on.We already hate ourselves