If your interested in the meaning of an aspect this is a place tostart. There are thousands of meanings and many Astrologers will give you their interpretation. I use select boxes. Each time you look one up it will appear to change. Hopefully you will eventually get their true multi-faceted meanings.
Each page is set up so you can run down the page making sign/planet combinations. Then choose your specific aspects other sign/planet. If you want to explore more try openinganother window for the other specific sign/planet involved in the aspect. Expand your interpretations viewpoint.
Most planets have more than one aspect to them. You canopen a few windows and add the aspects. In this way you will notice how a square can be counteracted or neutralized by a trine. Learn to work with the vibrations you have available. Free Will and Awareness are factors in their interpretation.