The McDonald's Golden Arches symbol was adapted from the restaurant's original roadside architectural arches.
Early McDonald's buildings used large arches as prominent design features. Their practical purpose was partly visual: the structures made restaurants noticeable to passing motorists and gave the buildings a distinctive silhouette. Over time, the architectural elements became associated with the company itself.
In 1962, designer Jim Schindler combined the two arches into a stylized M for use as a logo. That adaptation was a major branding step because it converted a building feature into a portable mark. The symbol could appear on signs, packaging, uniforms, and advertising even when no restaurant architecture was visible.
The Golden Arches are often described simply as a letter M, but their history is more specific. They are an M-shaped logo derived from physical arches designed for McDonald's restaurants. That connection between place, structure, and symbol helped the company build a visual identity recognizable across languages and national markets.