Union- The union tool groups a number of objects together to form one object.
Intersect- The intersect tool will eliminate everything but the point where a number of objects intesrsect.
Punch- The punch tool will punch out the shape of an object on top of another object. Works exactly like a hole puncher.
Crop- the crop tool will do the reverse of the punch tool. The shape of the object on top is all that will remain when two objects are cropped.
Join- The Join tool will join two or more objects. it will turn them all the color of the bottom object but the shape of every object shows up in the image.
Pen- The pen tool is used to draw any shape not offered in the vector tools menu. After you draw the shape you can round out the straight lines.
Sub Select- The sub select tool allows you to select various ungrouped objects at once by drawing a square around the objects.