Explain why space is such an important concept of art? how did art change following the invention of linear perspective?

Two-dimensional design takes place on a surface called the picture plane. The picture planes you have been using to make your projects on are the pages of your Design Book. For a painter it is the canvas, for a muralist the wall.

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.