What is one technique rachel sanzio used to create emphasis in marriage of the virgin

1. He positions many of the figures so that they are gazing at the central figure.  

2. He uses an asymmetrical design to draw  your eye to the central figure.  

3. He gives the central figure different colors, values, and textures than the other figures.  

4. He uses similar shapes in the central figure and surrounding figures.

hope this helps.

the string with the finger instead of using the bow