The front! If you do the back girth first (which isn't supposed to be tight), if the horse spooked or moved wrong, the saddle could slide down to under the horses belly, which would freak him out, make him try to get away, most likely ruining the saddle and injuring himself.
A saddle bow is the front part of a saddle, arched up like a bow.
The rear of a saddle is the cantle. The front is the pommel.
The front part of the saddle that's Behind the front outer stitching. What it does is hold the saddle up from caving in. You need different trees depending on how wide the horses withers are.
A saddle seat is a concave seat, occaisonally with a ridge in the front, similar to that of a horse's saddle, found on a Windsor chair.
In the front and pointing upwards
The pommell
Well any type of saddle can be treeless. Typically a english saddle will be made with a spring tree to offer support and comfort. Treeless saddles can be tricky to fit sometimes, but then so can any saddle in general.
a pommel
Yes, the front main cinch to hold the saddle in place for riding, and the rear strap that should not be tightened fully to keep the saddle from flipping up and for looks.
The seat in which you sit on when on a horses back is called a saddle. The front part of a saddle is called a pommel and the back part of a saddle is called a cantle. Here is a basic saddle the stirrups are not on it at the moment. They are above the saddle not yet attatched.
The slick fork saddle (also known as an A-fork) is named for the shape of it's fork. The fork is the saddle part at the front of the saddle tree that joins the bars together and provides a base for the horn.
The pommel, or front of the saddle, rests on the withers which is the front part of the back (the shoulder blades). The cantle or back of the saddle comes to about midway along the horse's back. When riding a Tennessee Walking Horse (a gaited breed) in competitions a special saddle is used that sits in the middle of the horse's back.