The Manual mode contains the set of the smart brushes to make a selection, and the post-processing tools to edit the result.
The Quick Selection tool selects an object by analyzing colors of neighboring pixels. Draw with this brush over the image, and the selection expands, automatically finding edges and filling areas. Read more.
The Magic Brush lets selecting complex objects and is also helpful to improve the result achieved with the automatic selection tools. This intelligent brush works with color sets: it keeps some colors and deletes others. Read more.