Let's clear up two terms that often get mixed up: legibility and readability . They're related but not the same — and knowing the difference will level up your UX design instantly. What is legibility? Legibility is about character clarity. Can users distinguish one letter from another? Is your "rn" accidentally looking like an "m"? Legibility focuses on the visual design of individual characters. Think of it as: Can I see this clearly? What is readability? Readability is about comprehension. How easy is it to read and understand the text as a whole? This includes word choice, sentence length, formatting, and overall flow. Think of it as: Can I understand this easily? Why both matter in UX: You need legible text so users can decode  what's on the screen. You need readable text so users can understand  it without working hard. When you optimize for both: ✅ Users experience less fatigue ✅ Satisfaction increases ✅ Your product feels more intuitive The resea...