Answer:
Mnemonic devices
Explanation:
Mnemonic devices are creative tools designed to help you remember things.
A simple, (but very effective anyway) mnemonic can be seen in the image attached below. In order to remember the planets of the solar system, their tyoplogy, and their order, a young kid in elementary school could simply write each planet's name on his fingers, and the typologies on his palms.
Note that the use of vivid imagery and clever ways of organization can be seen in this example.
