While single-column grids work well for simple documents multicolumn provide flexible formats publications that have a complex hierarchy or integrate text and illustrations. The more columns you create the your grid becomes. You can use to articulate of publication by creating zones different kinds content. A image occupy single column it span several. Not all space has be filled. In addition vertical with grid also divide page horizontally. For example an area across top reserved images captions body “hang” from common line. Graphic designers call this hang