What difference between NOT and no? please express

Not - We can make a word, expression or clause negative by putting not before it. Examples - I do not intend to resign. Ask James, not his wife. Not surprisingly, they got divorced within a couple of months. You can come tomorrow, but not on Friday. No - No is used in a different way. It is used with a noun or an –ing form to mean ‘not any’. No students joined the program. (= There weren’t any students who joined the program.) No man is perfect. (= There aren’t any perfect men.) She has got no children. (= She hasn’t got any children.) I have got no money to buy food. (= I haven’t got any money to buy food.) In some cases the structures verb + not and no + noun can have similar meanings There wasn’t any reply. = There was no reply.