This document provides an overview of astrology and various astrological concepts. It includes definitions of astrology and what a birth chart is. It also lists several links to online courses and resources on astrology, Mayan astrology, astrological predictions for 2020, how to create a birth chart, what the different astrological houses represent, and more topics related to understanding astrology and how to interpret birth charts. The document serves as a guide to learning more about astrology online.