A noun "evolution" represents a change of position, a manoeuvre of troops or ships, a turning movement of the body, and a turned or twisted shape.
The noun "evolution" represents the act or process of unfolding or opening out, the gradual transformation of a curve, the extraction of a root from a given power, and the act of giving off gas.
The process of development, gradual change from simpler to more complex forms, and transformation of living things into different forms through genetic composition changes over successive generations.