The grid is the imaginary set of horizontal and vertical lines along which the objects on your slides are aligned. Breaking the grid is a key tool that designers use to add an interesting tension to a page layout. But in most cases, it is better just to stick to it. See the example below, your eye will immediately pick up that there is something wrong with the layout of these head shots.

If you liked this post, why not subscribe to daily updates about presentation design via email? Just blog posts, no spam. You can find Jan Schultink on Twitter here.