Your is what you can see without the presence of an obstruction.

Line of sight

Explanation:

Your line of sight is the noticeable path of travel from your vehicle to your destination area. This line can be obstructed by a curve, a hill, high-forest wooded zones, large trucks, or other obstruction that prevents drivers from seeing the vehicle ahead. Therefore, if you cannot see around an obstruction, you should slow down and be willing to adjust your position until you can reestablish a clear line of sight to your path of travel and targeting area.

the difference is right there dont you see it

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.