Anatomy, spacing, families, and optical principles — the technical layer that makes your typography feel right even when readers can't explain why. Part One gave you the vocabulary. Part Two gives you the instruments. The difference between a designer who picked "something nice" and one who made a typographic decision comes down to understanding what's actually happening inside the letterform — and why those details affect everything from legibility to brand perception.   Type Anatomy: Reading What the Letter Is Telling You Every typeface can be dissected. Once you can name the parts, you can diagnose problems, compare options intelligently, and specify changes precisely. Here are the anatomical terms that matter most in practice: Baseline — The Foundation Line The invisible horizontal line that every letter rests on. In UI frameworks like Material Design, the baseline is a critical measurement point — every text element's baseline must sit on the 4dp grid. When b...