Use these tools to draw lines, arrows, rectangles and ovals onto a slide. They can be grouped with an object or a text box.

Holding down the shift key as you draw the object will keep the lines straight.

Use these tools to select line styles.

Clicking the first button choice will display a popup window which displays a selection of thickness and styles of lines. If you select the "More Lines" choice at the bottom of the list, the following window will appear. Use this to customize your lines, autoshapes, and text boxes. The drop down menus will give you lots of choices.