The grid can mirror the vertical and horizontal edges of a page, canvas or screen. It emphasizes flatness, straightness, and the materiality of its support. It can function as an organizing structure as in the case of Chuck Closes painting Emma, or as form itself as in the case of Mondrian's and Martin's paintings.
| Emma, Woodcut print 2002 Chuck Close|
|Composition in Red, Blue, and Yellow, Piet Mondrian|
|On A Clear Day, 1973, Agnes Martin|
As an organizing tool it guides the disposition of elements within the two-dimensional plane. It can function as an invisible or visible structure. It activates the entire space into a structured field. It is a rationale for why and how parts are placed within the space.