BASIC (as seen in the Proof Gallery): Brightness, Contrast, Highlights, Shadows, first layer colour balancing (This editing style is commonly used for Events.)
FULL: All of the above, plus: Cropping/resizing, Light Levels, Airbrushing - including skin retouching and smoothing, Lighting Effects if applicable, multi-layer Colour Balancing, Colour mixing,Matting/colour bordering, Stray-hair removals, removing distracting factors, fixing background scene/backdrop if applicable etc. (This style of editing is commonly used for Portraits.)