The Latin letter i may be used either as a vowel or a consonant. When used as a consonant, it often is replaced by the letter j, which originally, was simply an orthographic long i that was used in initial positions and when it occurred between two other vowels.
Illustration by Jessie Willcox Smith (1863â1935) An illustration is a decoration, interpretation or visual explanation of a text, concept or process, designed for integration in published media, such as posters, flyers, magazines, books, teaching materials, animations, video games and films. The origin of the word âillustrationâ is late Middle English: via Old French from Latin illustratio, from the verb illustrate.
Definition of illustration. 1  1a : the action of illustrating : the condition of being illustratedb archaic : the action of making illustrious or honored or distinguished. 2  2 : something that serves to illustrate: such asa : an example or instance that helps make something clearb : a picture or diagram that helps make something clear or attractive.