Visualization is a mental technique that involves creating a mental image or picture of something in order to understand better, remember, or explain it.
It is often used as a tool to help people achieve their goals, as well as to improve their performance in various activities.
Visualization can be particularly useful for athletes, as they can use it to imagine themselves successfully completing a specific movement or action, which can help to improve their performance.
It can also be used in other areas of life, such as to visualize the desired outcome in a business or personal situation.
Merriam-Webster Online Dictionary
visualization (noun)1.
formation of mental images - visual
2.
the act or process of interpreting in visual terms or of putting into visible form
3.
the process of making an internal organ or part visible by the introduction (as by swallowing) of a radiopaque substance followed by radiography