How would you define the rule of the thirds? the rule of the thirds is an important feature of (artwork, page elements, page layouts, text compositions). This rule suggests that you must (visually divide the page into thirds, have three paragraphs of text on a page, limit the text on a page to a one-third layout, place images in the middle third of the page) This is where you should place the (cropped, key, nonessential) portions of text or image.