Tifa Lockheart Move Guide:
A,A,A: Standard attack
ForwardTilt: Kick, simple.
Uptilt: Sisor Kick, Simple launcher.
DownTilt: Water Kick, Basic leg sweap.
Up Smash: Uppercut into Leg Kick, good pop-up
Forward Smash: Fire, uncharged does a small pop of flame. Full charged detinates infront of her hand, causing heavy knock back.
DownSmash: Fira, Cast in both direction of her
B: Uncharged will do a small area of effect, not much pop-up. Full charged will make the area larger, ground only still, and have a better pop-up impact
Up-B: Dolphin Blow, Think of it as a Falcon Punch, but as an uppercut.
Forward B: Burning Arrow, A leap into the air and comes back down at an angle, followed by a foot sweep.
Down-B: Materia Cast. Most Complex move she has. Hitting down-b once and she'll charge up 1 spell to cast. Doing the action again will have her cast the 1 spell that's charged. The spells are done at random. The spells are:
Lightning: 4 Bolts strike down and travel along the ground a short way.
Fira: A belch of flames
Ice: A puft of winter chill near the ground
Thundara: A spell that attacks on both sides of her
Meteor: Call forth a meteor to strike down your foe
Heal: Heals you 30%
Sheild: a quick shield.
Nuke: A devestating sacrificial move that deals 25% to yourself, knocking you down, but you can catch your foe in it.

Air-A: Spiarling electrical field. Great for plinking people on the way down.
Air-Forward-A: 2 swift kicks forward
Air-Back-A: quick kick behind her
Air-Up-A: 5 rappid hits, with the last hit fire spell
Air-Down-A: Zss' Air-Down-A

Air-B: Uncharged, rotating Backhand. good for short hop attacks. Fully Charged, Cart wheel kicks foes into a meteor smash (aka Spike em!)
Air-Up-B: Air Dolphin Blow. Weaker version but it's her recovery. Freefall after the move..
Air-Side-B: Bio. A swift bolt of poison to weaken your foe.
Air-Down-B: None. It's a counter weight the down-b

Forward throw: Blizara to the face then shoulder tackle
Up Throw: toss em high then Power smashes them!
Down throw: Smashes the foes' face into ground. Make em eat dirt!
Back throw: Leap up and huck em like a missle.

Final Smash: Final Heaven. Kick your foe senseless then Slow down time to beat em some more then Punch them with the force of a god.