A-arm: A suspension linkage of shape of letter 'A' found commonly in front independent suspension.

ABS (Anti-lock Braking System): A system which prevents the wheel from skidding during hard braking.

A/B/C Pillar: Car's pillars are easily identified by looking from side. The A-pillar is the pillar in front of the front door on each side of the windshield. B-pillar is the pillar onto which the front door latches and the rear door is hinged. The pillar behind the rear door is called the C-pillar.