Designers learn the principles of visual composition and design by

Critiquing them

Observing them

Analyzing them

All of the above

Yes, all of the above. Designers learn the principles of visual composition and design by critiquing existing designs, observing how different elements are used in various contexts, and analyzing the techniques and choices made in successful designs. By studying and applying these principles, designers develop their own sense of aesthetics and learn how to effectively communicate through visual mediums.