How are esoteric scientific concepts made understandable for people?

These are the options for the question: How are esoteric scientific concepts made understandable for people?

i. By printing short introductory courses.
ii. By comparing it with other scientific discoveries.
iii. By locating science in personalities, social and cultural
traditions.
iv. By revising the country’s educational structure.

The correct answer is :iii. By locating science in personalities, social and cultural traditions