As part of my “Elements of Design” class, I teach a lesson on Tic Tac Toe. Each student is asked to bring in an ad that they feel represents a good solid design and then asked to draw an edge-to-edge Tic Tac Toe board on top of it. You should see 9 boxes, 3 over 3. Upon a quick examination, you will notice that the focal point(s) of each ad will fall on one of three places: a point of intersection, centered within a rectangle, or within the middle of a line segment. Items that are placed along these positions will create a more balanced design; thus carrying through a visual flow and creating a greater focus and attention to key points. This is known as the “Rule of Thirds”.
 Points of Intersection |
 Centered in Rectangle |
 Middle of Line Segment |
PowerPoint is no different. It is a design tool. PowerPoint layouts should follow universal design principles. When creating layouts, be cognoscente of the Tic Tac Toe board; even going as far as placing guidelines onto the slides to assist with alignment.
Below is an example of a slide with the Tic Tac Toe board on top. As you can see below, the title is vertically centered within the first row. The person’s head with the laptop is horizontally centered within the right column with his eyes (the focal point of this image) aligned on the first horizontal plane. The first bullet is also positioned on the first horizontal plane.
 With Tic Tac Toe Guides |
 Final Slide |
These lines of symmetry can direct the viewers’ eyes to focus on each element as a step-by-step visual story, thus reinforcing your message with several elements on every slide.