Study of correct letter formation
Subtle variations in letter shape and size can greatly affect the meaning of a word.
For example, a single misplaced stroke can turn 'b' into 'd'.
This is why it's so essential to practice your orthography skills daily.
Typography: The Art of Letter Arrangement can help you improve your skills.
Semiotics: The Meaning Behind the Signs will show you that even the simplest letters have a deeper meaning.