The meaning of the colors.
Red: Red symbolizes power, action, color to which it is associated with vitality, ambition and passion. Red also brings self-confidence, courage, courage and an optimistic attitude towards life. Success, triumph, war, blood, strength, take action and reach your goals
White: is the purest of all, so it represents purity, peace, strength and comfort.
Black: Power and confidence
Forms:
The triangle is the geometric symbol that represents the number three and therefore key of the geometry and 'divine proportion'. It implies the trinity of being fruit of the product of the unity of heaven and earth. We get exquisite and choose the hipster triangle for antonomasia, the equilatero.

Antahkarana:

This symbol is multi-dimensional. From a perspective it seems to be two-dimensional, but actually consists of three sevens on a flat surface. The three sevens represent the seven colors and the seven tones of the musical scale. The three sevens are mentioned in the Book of Revelations as the seven candles, the seven trumpets and the seven seals. From another perspective, this symbol appears to be a three-dimensional cube. Its energy moves upwards from two to three visible dimensions and continues in this way until reaching the highest dimension - the dimension of the Higher Self.