Sign astrology is basically the study of the various signs of the zodiac. Sign astrology has various aspects to it. One aspect is the general characteristics that are associated with a particular zodiac. Also added to this are the gemstones and colours that would best agree with a person belonging to a particular zodiac sign etc. The study of this kind of astrology also concerns itself with the compatibility between different people of different signs.

You can also get into an in depth analysis of sign astrology. In order for you to do this you will have to be under the guidance of someone who understands the subject very well. You will also find that sign astrology is a science, just like math. People tend to look at it as a mystifying subject because they do not understand it.