Lasso Mode: Fill with Foreground Color
Fills with FG color is the most basic fill mode and it does exactly what you expect: fills any selection with the Photoshop foreground color.
Quick Options
Quick Options are available from Shift+CLicking
on the panel.
Symmetry along a Guide
: will create a symmetrical copy of the shape using a last added guide. First point of the selection is important because it dictates the direction of the mirror;Always Create a new Layer
: will create new layers for each new shape;