Section 1, 1st paragraph: misses a period before last sentence: "user interaction The result…​"

Section 1, 1st paragraph, last sentence: "The result of this process an be delivery" should be "The result of this process can be delivered", shouldn’t it?

Section 1, last paragraph, last sentence: "Each module can defines its…​" should be either "Each module can define its…​" or "Each module defines its…​"