What is timbre in 3 different sentences

Why do you think it took four different people to create a japanese woodcut? why didn't one person do all the work like most artists of today?

In 1401 a competition to create a set of bronze doors for the baptistery of florence cathedral was held, and this competition is often credited with the beginning of renaissance art t or f?

List as many characteristics as you can to describe each style realism and propaganda