You will also hear these called upshots or approach shots. They are obviously longer than a putt, but shorter than a drive. You will generally want to use a mid-range disc....or even a putter depending on the distance you need. You will normally want to throw from a stand-still (no x-step) for this shot.
Release angle: This is probably a good time to discuss release angle. Depending on various factors like trees and other obstacles, "dog-leg" shaped fairways,etc...it is not always desirable to throw a straight shot. For a right handed backhand thrower(RHBH) wanting the disc to turn to the right( called an anhyzer..or "anny")....this can be accomplished by altering the release angle of the disc. The stability of the disc being thrown also factors heavily...this shot will generally be easier to accomplish with an understable disc.
For a hyzer shot...the release angle is opposite. The disc is released at an angle that causes the disc to go left for the RHBH player. A more overstable disc is often used. Click links below for examples of straight, hyzer, and anyhyzer shots.