There are a range of adjustments which can be applied to your image as a new layer for corrective or creative purposes.
Adjustments are applied to your image from the Adjustments Studio and most include customisable settings alongside general adjustment options.
Adjustment layers only affect layers which are below them. Alternatively, you can make an adjustment a child of a layer (or layer group), thereby affecting that layer (or layer group) only.
Some adjustments (i.e., Curves, Levels, or Channel Mixer) can be made in any colour space independently of the document colour space.
The following general settings are available from all adjustment dialogs: