Diagram of an example house Lot as seen from above, showing front and back yards, positions of structures on the lot, and immediate surroundings. The lot boundaries are outlined in black except for the frontage, which is shown in red. In this example, the immediate surroundings include a sidewalk, parkway, and section of street out in front and a section of alley in back. Lot structures include a house, private walkways, and in back - a detached garage with driveway access to the alley and an a small area for garbage.