The main reason for this entry is for educating those who do not understand transgender or as my therapist coined it as trans* in Journeys of Transformation by Reid Vanderburgh and is a must read. Also I highly recommend True Selves, understanding transsexualism.
Many people think there is one type of person that dresses and/or acts as if in the opposite gender which is a complete fallacy as there is well documented papers and research on this as shown below. The following shows the different groups for gender role disorientation
Here is a page of terms that cover valid and invalid definitions for Transgender issues.