1. Rose Window They were one of the greatest developments and represent a sacred concept of completeness and balance. They were one of the greatest developments and represent a sacred concept of completeness and balance. They were a type of stained-glass windows but they were placed within the high narrow lancet windows, or in the clerestory. They were a type of stained-glass windows but they were placed within the high narrow lancet windows, or in the clerestory. Features: individuals from the Old Testament, etc. Features: individuals from the Old Testament, etc. Colors: blue and red (French); others exhibit a spectrum of lighter shades, yellow, green and light blue (German and English) Colors: blue and red (French); others exhibit a spectrum of lighter shades, yellow, green and light blue (German and English) They are circular mandalas radiate with sacred images. They are circular mandalas radiate with sacred images. It resembles to a rose and its petals. It resembles to a rose and its petals.

2. Rose Windows (Notre Dame)

3. Buttresses A pilaster, a pier, or body of masonry beyond the main face of a wall and intended to strengthen the wall at particular point and to counterbalance the thrust of a vault etc. A pilaster, a pier, or body of masonry beyond the main face of a wall and intended to strengthen the wall at particular point and to counterbalance the thrust of a vault etc.

4. Buttresses

5. Buttress (Notre Dame)

6. Fan Vault A vault that consists of fan-shaped half cones that meet at the center of the vault. A vault that consists of fan-shaped half cones that meet at the center of the vault.

7. Fan Vault

8. Pinnacle A pointed termination of a spire, buttress, or other extremity of a building. Sometimes they are ornamentes. A pointed termination of a spire, buttress, or other extremity of a building. Sometimes they are ornamentes.

9. Gargoyles

10. Notre Dame