Foil:A foil is a character who contrasts with another character to highlight their differences and enhance our understanding of both characters.
Round Character: A round character is similar to a multi-dimensional character as they are also complex and fully developed, but they may not possess as many layers or complexities.
Dynamic Character:A dynamic character undergoes significant changes throughout the story, often due to conflicts or events that force them to reevaluate their beliefs or values.