Sans Serif | Fonts

Despite their simplicity, sans serifs aren't all the same. They generally fall into three categories:

Sans serif fonts—typefaces without the small decorative strokes (serifs) at the ends of character lines—represent the "less is more" philosophy of modern design. While serif fonts are rooted in the tradition of stone carving and the printing press, sans serifs are the children of the industrial revolution and the digital age. The Origins of "Gothic" Type

Based on perfect circles and squares (e.g., Futura ). They feel architectural and clean.