2)Rhythm:Radiation

Why Radiation?
When the lines move outward from a center point, they radiate or it's known as radiation, in this room the back side glass wall lines make a curve and come out from a top center point.

#FunFacts: Radiation is also a kind of rhythm, it's not used a lot than others the others because we do not tend to use it inside our homes, it's more seen outside. Like in the gardens, pool sides, cabins etc!