What do you do to add a line or circle to your presentation?

Open a presentation to the slide where you want to add an object.
Click the Insert menu.
Choose from the following options:
Text box: Adds a box to your slide where you can add text
Line: Choose from several different types of lines
Shape: Choose from standard shapes, or from a list of arrows, callout boxes, and equation shapes

I hope it helps!

Line.hope this fam < 3