What is a sentence using the word understandable?

Answer 1

After the seminar, he had a better understanding of marketing plans.

The neighbors reached an understanding about the playing of loud music at night.

Each day, scientists are understanding more about how cells repair themselves.

Answer 2

Please rewrite these first two paragraphs in a more understandable manner.

Answer 3

The professor's explanations were so clear and thorough that the complex topic became easily understandable.