Every symbol has 4 different versions designed for its own distinct purpose
The colorable symbol style has been designed to be customized with user-selected color. Each individual element can be selected and modified, with either gradient or flat colors.
Currently the only resources available for a good research about symbology are paper books, Symbolikon Digital Encyclopedia is a collection of symbols taken from historical, global civilizations, literature, given a new life where ancient culture meets modern design. A web resource easy to access from wherever, where to find a vector graphic symbol, read its description and look for related symbology.
Every symbol and each category is related to its own meaning