Adobe Photoshop

Colour management, to help with accurate editing

Soft-proofing to enable you to view the image in a print density

Customising pallets to have your layout best suit your needs

Brightness adjustments and how to not clip pixels and loose detail

Colour adjustments for correction or creativity

Black and white adjustments and the pros and cons between the different ways

History and all its advanced functions to allow you to recover your image at any point in your editing

Sharpening and the different methods of doing this and why it is important on every image

Filters to add creative effects to your images

Dodge & burn tools to transform your image brightness with complete control

Crop, resolution and resizing images without losing detail

Beauty editing and how to do this subtly and skilfully

RAW file control panel and the control it gives you after image capture

Text and all of the different methods you can use it for

Eraser tool and understanding the different types and when to use them

Layers an often-complicated subject which is explained fully over different sections

Adjustment layers and how to make the most of them and why they are beneficial over other editing methods

Masks and the clever adjustments you can make to an image which can be changed at any time to give you full control

Selection tools and when and where to use each one for accurate editing

Saving selections is useful for when you want to load them again without having to create another

Actions to allow you apply changes to many images saving you time

Creating a panoramic by stitching multiple images together

High pass filter to produce more dynamic images and bring out detail

Masking hair when using channels

Auto-alignment to transform images and edit them together

Auto blend layers to create complicated composites

Layer stacking to create complicated composites