Hong's ideas
Use rug to session the big area?
Many house use this type of rug for dining table in an open and big space- think of using it + connect with sofa area
Table
The concrete colour + vase colour - can be at front or back
Abstract wall same color with dining table
Sofa color
Long vase on the deck
The light
Style sofa + the lamp
Paint
Table colour plus the paint to catch the eye
Book self
Q