Aesthetics: A branch of philosophy concerned with the beautiful in art and how the viewer experiences it.

Content: The subject matter, story, or information that the artwork tries to communicate. Content = What the artist is trying to say.

Critique: A process of criticism for the purpose of evaluating and improving art and design.

Design: Planned arrangement of visual elements to construct an organized visual pattern.

Form: Is very similar to the element of design shape. The difference is that the term is form is used in artwork that has three dimensions instead of two as shapes. The three dimensions are length, width and depth.

Icon: Is a symbol or a sign that has strong emotional power.

Pictogram: A simple pictorial sign or group of signs intended to communicate without words.

Iconography: The studies of identification, description and interpretation of the content of images: the subjects depicted, the particular compositions and details used to do so, and other elements that are distinct from artistic style.

Wayfinding: Encompasses all of the ways in which people orient themselves in physical space and navigate from place to place.

Symbol: An element of design that communicates an idea or meaning beyond that of its literal form.

Subject: The content of an artwork.