Once you are in the parking space, move forward or backward to fit within the pavement markings or to allow room for the vehicle in front or behind you to pull out.

一旦进入停车位，向前或向后移动，完全停入路面标线或是为前后车留出驶出车位的空间。

youdao

One of the largest is in the Place de la Concorde in Paris, where the 32m (108ft) Egyptian obelisk has, after a couple of false starts, been converted into a giant sundial with the help of a few judiciously placed markings on the pavement.

ECONOMIST: Gnomonic possession