Segoe UI is a modern sans-serif typeface designed by Microsoft to enhance readability and user experience across digital interfaces. Introduced as part of Microsoft’s branding and UI design, Segoe UI features clean lines, open letterforms, and balanced proportions, making it highly legible on screens of all sizes. Its subtle, humanist touch differentiates it from purely geometric sans-serifs, giving it a friendly yet professional appearance. Widely used in Microsoft products, from Windows to Office, Segoe UI reinforces brand consistency while ensuring clarity in both text-heavy applications and minimalistic user interfaces. Its versatility and accessibility make it a staple in digital typography.