An interesting variation on a theme is that the HS Trident, unlike its 727 look-alike, used the whole tailplane for pitch control I have seen pics of it fully deployed at rotation. Ditto for the VC-10 .
So in this sense tailplane use was similar to that of the TriStar.
The Trident and VC-10, along with every other large airliner (except the L-1011) have a horizontal stabilizer that can be moved by using the trim system. Normally the trim system uses elecrtic motors to drive a ballscrew actuators that reposition the entire horizontal stabilizer. The horizontal stabilizer is positioned (by the ballscrew actuators) to the nose down position to aid the crew in rotation of the aircraft on takeoff. They still have to use the elevators to provide pitch control.
The L-1011 also trims the horizontal stabilizer nose down for takeoff, but instead of a ballscrew the L-1011 uses four hydraulic actuators.
The main difference between the two systems is: when the L-1011 reaches takeoff speed and the pilot pulls back on the control column the entire horizontal stabilizer moves even further down to allow the aircraft to rotate. On all the other aircraft when takeoff speed is reached and the pilot pulls back on the control column (or side stick) only the elevators move to allow the aircraft to rotate, the horizontal stabilized stays in the trimed position.
After takeoff the horizontal stabilizer in then repositioned, either by the ballscrews or the actuators, to a neutral position. However, on the L-1011 the entire horizontal stabilizer contines to be used for pitch control while all others use the elevators.