Frutiger is a sans-serif typeface designed by Swiss typeface designer Adrian Frutiger in 1975. It was created for optimal legibility in signage and wayfinding systems, particularly in airports. The typeface features a clean and modern look, with a humanist touch that makes it approachable and easy to read. The design of Frutiger is characterized by its open letterforms and balanced proportions, which enhance clarity at various sizes. It has become widely used in both print and digital media, making it a popular choice for corporate branding, public signage, and user interfaces due to its versatility and readability.