1. a picture or drawing that explains or decorates a text
2. an example that helps make something clear or easier to understand
3. the act or process of illustrating something

Examples

• The children’s book had colorful illustrations on every page.
• The textbook includes helpful illustrations of the human heart.
• She used her own experience as an illustration of the problem.
• The teacher gave several illustrations to explain the concept.
• The magazine is known for its beautiful photography and illustration.
• His story serves as a perfect illustration of courage under pressure.
• The illustration of complex ideas requires skill and creativity.