Primary theme: World of Aramatir (Setting for The Champion Trilogy) Glossary
Secondary Theme: World-Building Questions and Thoughts
World Building Thoughts: Having a clear map of your world is extremely important. Keeping it in front of you while you write is necessary. See my crazy notes under the heading of "Mochant." I realized after I had written my first book, and after it was in the hands of readers for several months, that Mochant is not sitting in the right place for the events in the story. Oops. Mochant is actually supposed to be a group of island city-states in a sea. Somehow my sea became a river, and it winds around lands in a way that doesn't quite work geographically.
Do you have a map of the world you are creating? Even if you are working with a real world location, I highly recommend having a map. I've read too many books and seen too many TV shows where the locations were "off" in places I know - Portland, Seattle, and the Pacific Northwest in general. Learn from the my mistakes and the mistakes of others: Make a map or get a map!