Tidwell (2011, p. 132-139), Goodwin (2009, p. 573-4) The Visual Hierarchy of the elements is achieved through the manipulation of the “variables” of position, size, color, alignment, repetition, density/proximity, “white space”, rhythm, color, style, texture, background color, and decoration of the elements visuals. The information must be evaluated and prioritized by: — Position (location, alignment, grouping,...) — Size (Dimensions, contrast, density,...) — Color (Surface treatments such as style, decoration,...)