Help with MAGE vs all other specs of it

Arcane mage is the best spec me me to choose worthwhile for your time to easy it the best way you want

 arcane missile best to shoot as attack to keep ARCANE MAGE

Frost mage is your best to get to level 16 while keeping all your talents and specs in frost to keep your enemy frozen to keep them doing anything from harming you frost damage out

Fire mage is your best way for all around attack

( Fire mage and frost mage are best knowned the same to all skills and talents in to adding to fire and frost dmg and stun to difference of what your spec is. )