It can't be black plague because the pictures really have nothing to do with that. I think nobles playing games/feasting is too vague. I think it would have to be the history of Norman conquest of England. I hope this helps! IGNORE THIS! READ BOTTOM!
Answer:
Multicolred art would be a mosaic.
Being normal NOW is liking what everyone else like, (latest fashion trends, current music, etc.) but this my also go against you, and make you be seen as a "follower"