verb

illustrate

IL-uh-strayt/ˈɪləstreɪt/

To make an idea clearer by presenting a concrete representation.

The teacher illustrates the leaf's structure with a drawing beside the real leaf.

Teacher draws a simple leaf cross-section beside a real leaf to explain its structure to attentive student; no written labels, clear picture making information visible.
Etymology

The underlying image is lighting something up, extended figuratively to making it clear to the mind. Examples and pictures illustrate by providing that clarity; the verb also developed the sense of supplying decorative pictures.

In context

National University Golf Academy0:23
use a hula hoop here to illustrate the path the face determines the starting point of the golf ball
Golf Ball Flight Tip: How to Improve the Direction of Your Golf Ball by Justin Hicks

More examples

  • This chart illustrates how our expenses change each month.
  • She illustrated her point with a story about her first job.
  • Let me illustrate the difference with two simple examples.

Forms

illustrate · illustrates · illustrated · illustrating

illustration noun — An example or image that provides clarity.

Similar words

clarify
Clarify emphasizes removing confusion, without necessarily providing concrete examples.
demonstrate
Demonstrate often shows how something works or proves a claim.
exemplify
Exemplify means to serve as a specific example of something.