I believe if you search the forum you will find ample info on this and also just search the web. I am no expert but basically there is caster, camber, toe-in, for both front and rear, and also thrust angle on the rear. Not all of these are always adjustable however. Some people seem to feel that it is an "art" where the results depend a lot on the tech doing it. This is probably true. Some people think they can try to do it themselves, and I have been trying my hand at my toe in, But it is picky work and probably best left to a competent professional.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra