Answer :
Gestalt Psychology is the principle in psychology that relates to how we perceive things in whole rather than in parts just like in the example given in the question.
What is Gestalt Psychology?
This is a school of psychology that started in the 20th century whose foundation is based on the exploration of how the mind perceives things.
Gestalt Psychology or theory focuses on seeing things as a whole rather than in parts because the whole of anything is always greater than it's parts.
See the link below for more about Gestalt Psychology:
https://brainly.com/question/5036334