Some symbols throughout history, have held special meanings for some people. Both ancient & modern day visages of representative aspects of life that are embeded in the cultures of the day.
Some symbols appear to be recycled: different in design, but similar general meanings. Some symbols, though different in appearance, originated from the same template form.
Some symbols appear to be a snapshot moment of a dynamic template form. The Tetra orb is one such dynamic template form; with a series of different symbols, that are seen in the one object.
The story "God's dice: are they loaded ? " is one way to view how many symbols combine, within one theme.
3 Dimensional Glyphs: a three dimensional form, which show shapes or symbols, when viewed from different perspectives.
Tetra orb: a 3D glyph made up of four areas, that resemble an orb shape.