What does a symbol primarily represent in design terminology?

In design terminology, a symbol primarily represents an abstract concept or idea through a visual form. This encapsulation allows complex thoughts or themes to be communicated more efficiently than through literal representations. For example, a heart symbol can signify love, while a globe may represent global awareness or unity. The strength of a symbol lies in its ability to convey meaning without needing exhaustive explanation, making it immensely powerful in various contexts including architecture, graphic design, and other visual arts.

The other options, while related to different aspects of design, do not capture the essence of what a symbol is. A specific color or pattern refers to tangible elements used in design but does not signify an abstract idea. A technical drawing format represents the method of illustrating a design rather than embodying a concept. Similarly, a type of building material is a physical component used in construction and is not representative of a broader abstract meaning.