What is "front end"

Usage examples of "front end".

It had a tractor front end but a short rear with doors on the side and back.

An old college buddy of mine, who starts and runs high-tech companies in Boston, had developed a commercial product using Macintoshes as the front end.

Toward the rear, half-hidden by the night, was the pickup truck, front end facing the road, still loaded with fertilizer.

Its huge opaque eyes look like the front end of a riot-gear helmet.

The big glass shell that dominated the front end was pocked here and there but was unbroken, and the blades were still attached to a rotary hub, not folded or snapped off.