Position the mouse pointer The arrow-shaped cursor on the screen that follows the movement of the mouse and indicates which area of the screen will be affected when you press the mouse button. The pointer will change shape when you perform certain tasks. close to the ruler at the top or left of the page. The pointer changes shape to a plus sign with a line next to it.
Click and hold down the mouse button, the mouse pointer changes shape to a line with an arrow on either side and a dotted line appears on the page.
Drag the mouse until the guide A dotted line that you place on screen to help you position items on the page. Page guides are not printed. is in the position you want.
Release the mouse button. The dotted line is left as a guide for you on the page.