![What is wax? What is wax?](https://media.composition.gallery/glossary/What-is-wax-composition1542532819.png)
What is wax?
Wax is a solid material derived from plant, animal and petroleum sources. Wax can help paints to resist wear. It is used to make sculptures, wax crayons, colored pencils, and for encaustic painting; where colored beeswax shaped with special tools makes raised surfaces.
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![Op Art Op Art](https://media.composition.gallery/glossary/What-is-op-art-composition1542550602_200x200.png)
A visual art style that makes use of optical illusions. The works of opt art are abstract and many of the known pieces are the black & white. They typically give a movement, vibrating patterns, flashing and hidden images impression to the viewer. Op art antecedents can be traced back with respect to color effects and graphics to Futurism, Constructivism, Dada and Neo impressionism.
![Uncanny Uncanny](https://media.composition.gallery/glossary/What-is-uncanny-composition1542553334_200x200.png)
The Uncanny is a concept which Sigmund Freud, psychologist, described as the anxious or strange feeling some individuals experience with familiar objects. Surrealist artists, seeking to reveal the subconscious and reconcile it with reality, used artwork which combined the familiar in unexpected and odd ways.