Form is one of the seven basic elements of art. In art, form refers to objects that are three-dimensional, or have length, width, and height. Forms occupy space, such as sculptures or buildings, and can be geometric or organic. Geometric forms are mathematical and precise, while organic forms are often associated with naturally occurring forms and do not have specific names associated with them.
When drawing representationally, the goal is to create the illusion of form. This can be achieved by understanding how light reacts on the object. Light reacts on objects and is communicated to viewers through several factors. Adjusting these areas with values of the local color will result in the illusion of form in a drawing or painting.
In treating or creating form in art, the artist aims to modify natural appearances in order to make a new form that is expressive and conveys some sensation or meaning in itself. The idea grew that form could be expressive even if largely or completely divorced from appearances, and the term "significant form" was coined to describe this.
Forms can also be implied in art if they appear to have depth, which can be created with perspective, tone/value, or color. Understanding form is important for artists who want to create realistic paintings or sculptures, and it is one of the most important elements in painting.
