What does the study of signs and communication refer to?

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?

Hey, can anyone provide me the lyrics of the song beautuful (remix version) by bazzi ft.camila cabello

Will give brainlest! for graphic design i have to draw a personality split self portrait ( half is what people see me at first glance and the other half is my personality). idk what i should put on my personality side. someone me give ideas on what to draw ( doesnt exactly have to be my personality , there just has to be something )