/text/simpress/01/04030000.xhp snap lines, see also guides snap points;inserting guides; inserting magnetic lines in presentations Snap Point/Line Inserts a snap point or snap line (also known as guide) that you can use to quickly align objects. Snap points and snap lines do not appear in printed output.

You can drag a snap line from the rulers and drop them on the page. To delete a snap line, drag it back to the ruler. Draw or move an object near a snap point or snap line to snap it in place. To set the snap range, choose Tools - Options - %PRODUCTNAME Draw - Grid Tools - Options - %PRODUCTNAME Impress - Grid. Position Sets the position of a selected snap point or line relative to the top left corner of the page. You can also drag a snap point or snap line to a new position. X axis Enter the amount of space you want between the snap point or line and the left edge of the page. Y axis Enter the amount of space you want between the snap point or line and the top edge of the page. Type Specified the type of snap object you want to insert. Point Inserts a snap point. Vertical Inserts a vertical snap line. Horizontal Inserts a horizontal snap line.