Combuster Compressor hot section fuel air mix and ignition. Bang!

Section of an engine into which fuel is injected and burned.
Can have different physical lay-outs from engine to engine.

N1 fan blades driven by exhaust gasses of last blade sets. Suck.
Compressor section part of outer shaft assembly. Squeeze.
Turbine N2 and N1 inner shaft drives large front n1 fan blades for bypass air. Blow