What are the fundamental techniques used to achieve
perspective?

Explanation:

Three basic types of perspective -- one-point, two-point, and three-point -- refer to the number of vanishing points used to create the perspective illusion

you didnt add any sort of groups or any options, you can edit it and then people can try to answer now its kinda hard.

hope this gives you a heads up why you arent answered. : d

have a great rest of your day!