Think about it...what is the plural of foot ? Is is not foots...it is feet...irregular plural noun
Flat: described by one or two traits
Static: doesn't change from the beginning of the story to the end
Dynamic: a character that develops throughout the story
Round: complex and fully developed character
It’s so and also it 474747474
He does this by using a clever sense of setting, vocabulary, surroundings and the manner his characters are described.