The architectural feature of the Islamic artists that came from the Romans was the horseshoe arch. This is what they liked best in Roman culture, so they decided to use it in their art and architecture as well. Islamic architecture is quite different from any other, although it was certainly influenced by many other world architectures.
What is the visual difference between a frontal portrait and a 3/4 side portrait? Please describe the difference using your own words and a descritive example in regards to how the light is of value or even details could appear visually different?