The wheel is a symbol of broad scope, complex and including several semantic layers : movement and rest, axis, chariot; a symbol of the Sun. The diagonal is a composite division dividing the shield into an equal number of fields. The pyramid (hourglass) is a synthesis of different forms with each form having its own meaning: - earth, mountain; - prime mover; - any matter that has clearly traced all the stages of growth and completion. The triangle (angle) is the number three, the trinity. Love, truth and wisdom; - Heaven, Earth, Man; - Man as body, soul and spirit. A maximally rigid structure, capable of both "holding the blow" and "splitting" obstacles.