Starting at the top left:
#1- To enter vertex edit mode
#2- To scale selected verts
#3- To select all verts that are welded
#4- To unselect all verts
#5- To select all verts
#6- To select a single vert on/off
#7- To create an index (Make sure only 3 verts are selected)
#8- To add a vertex and select the newly created one
#9- To delete any selected verts
#10- To delete selected indexes
#11- To select only the verts connected to indexes showing
#12- To copy selected verts to a new object completely
#13- To copy selected verts and then select the new ones
#14- Uv Edit (not coded yet!)
#15- To set DBP Normal's...(doesn't work atm)
#16- To manually set object normal's