exposition
🇺🇸
/ˌekspəˈzɪʃn/
🇬🇧
/ˌekspəˈzɪʃn/
a clear and full explanation of an idea or plan
The teacher gave a clear exposition of how to solve the math problem.
a large event where people show and sell products; a trade show
We visited the car exposition to see the latest models.