Horizontal:
The horizontal lines on the wall, curtains, floor, and couch make the space look bigger and wider.

Diagonal:
The diagonal lines in the bookcase make something that should be boring, really fun and unique.

Curved:
The circular figure of the chairs and rug create a unique, modern room, full of life.

Lines

Vertical:
The white vertical columns create a strong presence in the space and the lines of the stairs create a classy and strong look.

Vertical

Horizontal

Diagonal

Curved