Vertical Line
The different vertical lines that are seen in this room would include; the windows, the table and chair legs, and the bookcases. Vertical lines make the viewer's eye move up and down in the room. It would make a room feel much taller.
Curved Line
There are many curvy lines in this room. You can see these lines on; the stair way, the chairs, the light fixtures, and even in the smaller items like lamps and baskets. The effect a curved line would give off would be Curvy lines would usually be found in a more feminine room to give it a feel of gracefulness.
Horizontal Line
Horizontal lines make the viewer's eyes move back and forth across the room. They make a room feel much wider than it actually is. In this example, the shelving, the desk, and the beams on the ceiling are creating horizontal lines.
Diagonal Line
A diagonal line brings excitment to a room. It make a room feel more energectic. In this example, the windows create a diagonal line. The lamp and other small items also create diagonal lines. Diagonal lines draw your eyes up and down and make a viewer look around constantly.