I had the Same answer the other day
Op art, short for Optical art
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(a) The band of 7 colours (violet, indigo, blue, green, yellow, orange & red) is known as spectrum.
(b) A form of printmaking where the image can only be made once is known as monoprinting.
(c) A prototype is an early sample, model, or release of a product built to test a concept or process.
(d) Choreography is the art of composing steps for a dance.
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RainbowSalt2222 ☔
Industrial Design - It is the creative act of defining a product's form and
features. This phase occurs well before the physical act of actually making the product.An industrial designer basically creates and execute design solutions in relation to form, function, ergonomics, usability, sales and sustainability.
