1) Dressage terminology 
The volte is a very small circle that is used in the training of a horse. Of all the circles, it requires the most balance from the horse. Voltes are excellent training tools, encouraging engagement and power. ==Size of the volte== Size of a volte will vary between horses, based on their stride length and their training. The accepted diameter for ...
• (pl. ) of Volta
The Volte was like the Landler, a forerunner of the Waltz. It was brought to the French court by Catherine de Medici. The man turns his partner around several times and then helps her to take a high spring into the air.
Circle with a 6-meter diameter (20 feet)
This is a 6, 8 or 10m circle. The term circle is used if the diameter is greater than 10m.