There are eleven types of magic, and twenty-nine schools of wizardry, three schools of disciplines, three types of divine magic, and as many types of craft and natural magics as there are species and crafts. This will only serve to whet your appetite for more- It will introduce you to terms you can ask your GM about! If you are a GM- call me! :-)
Alchemy
Thaumaturgy
Natural Magics
Craft Magics
Sorcery
Wizardry
Discipline Magic
Divine Magic
Gift Magic
Incarnate Magic
Creation Magic
The most common forms of magic amongst PCs are sorcery and wizardry, followed closely by divine and gift magic.