Guides help __________ objects on a canvas and are useful for conveying design principles such as the rule of thirds, focus, and framing.

Guides help align objects on a canvas and are useful for conveying design principles such as the rule of thirds, focus, and framing.

Explanation: In design, guides are used to create a visual structure on a canvas. They assist designers in positioning elements in a way that draws attention, creates balance, and adheres to compositional rules like the rule of thirds, which helps in making the design more engaging and harmonious.