Andalusian (PRE) pedigree chart - symbols and their meanings

[partita]

Andalusian breeders and owners. Can you help me out here? I can’t find anything online.
When looking at a pedigree chart, I understand some of the symbols being brands of the breeder (that appearing last in the box after the name).

A yellow ribbon - does that indicate the horse has been revised? A red ribbon meaning Qualified? What is the ribbon color for Elite? After the ribbons, there is a white box, sometimes being filled with red. What does a red box mean?

Is there a “key” that describes the different symbols and their meanings?

Thanks!

[CrotchetyDQ]

I do not know what the ribbon colors mean, but the boxes on the pedigrees indicate coat color. Most are white because there are so many grays.