Undo selection: Reloads the previous selection in the undo list.
Redo selection : Loads the next selection in the undo list.
Select All: Select All work area.
Disable Selection: Hides and disables the current selection. Press again to enable it.
Invert Selection: Transform selection into its complementary.
Transform: Change size, Rotate current selection.
Apply Feather : Creates a feather around the selection. This way you get smoother results when applying algorithms near the borders of selection.
Fit to Work Area: Resize current selection to the work area rectangle.
Select Current Layer's Alpha Channel
Select Picture Contours
Select Picture Shadows
Select Picture Hilights
Select Picture Contours
Select by Color: makes a new selection using current color or predefined color
Select Picture Shades of Gray: makes a new selection using the gray levels of the picture as intensities.
Import from file: Import a selection from file: any picture loaded will be transformed into a selection.You can choose if to take in account the grays or just black and white levels when converting a file to a selection.
Save to file: Saves current selection to file.
Selection to New Project: Creates a new project to modify the current selection
Project to Selection: Transforms the current project into a selection
Save Selection to Memory: you can save the current selection to memory to use it later on the same or another project
Load Selection from Memory: you can load a new selection from memory for the current project.