Vocabulary in Context: Exemplification Meaning

In the midst of a bustling marketplace, a street artist painted a mural that captured the vibrant essence of city life. Bystanders were drawn to the vivid hues and elaborate designs, captivated by the artist's skillful brushwork. Yet, amidst the acclaim, a few critics emerged, questioning the mural’s true artistry. One critic, an art historian, declared that the mural was merely an 'exemplification' of popular techniques, devoid of genuine creativity. This sparked a debate among onlookers about the criteria of artistry and originality.

The term 'exemplification' as used in the critic's statement most closely means: