The politics of definitions This is one of the most volatile subjects in our community, and rightly so. A definition by nature is simultaneously inclusive and exclusive. There's a lot at stake any time someone tries to include or exclude a person or group. You will find very strong opinions any time there's a discussion of definitions.
Terms can be a good way of defining a community, but they can also be limiting.
Few topics are more contentious than how to define those of us who do not conform to gender expectations. Ultimately, we each have the right to define ourselves. Whether others agree with your self-definition or not is another matter entirely. Recommended resources GenderWeb has a brief glossary written in 1994. The authors' introductory material is useful for explaining the issues around definitions.