Drag - move and resize current layer
Draw - draw by hand.
Fill - fill image area
Color - pick color
Select - select rectangle area
Select Circle - select circle area
Select Polygon - select polygon area
Magic Wand - select area based on similar color
Lasso - select area by hand
Zoom - zoom part of image or selected area
T Text - add text layer
Line - draw line
Rect - draw rectangle
Arc - draw arc
Poly Line - draw poly line
Poly Bezier - draw poly bezier line
Filled Rect - draw filled rectangle
Ellipse - draw filled ellipse
Chord - draw chord
Pie - draw pie
Filled Polygon - draw filled polygon
