This document defines and provides brief descriptions of several sexual orientations and identities: bisexual refers to attraction to both males and females; transexual describes identifying with a gender different than one's sex assigned at birth; polysexual involves attraction to multiple genders and sexes; heterosexual is attraction between opposite genders; homosexual is attraction between the same gender; asexual is a lack of sexual attraction or low interest in sexual activity; and pansexual is attraction to all gender identities and biological sexes. Each definition is followed by a reference to "Myths - Forum" for further discussion.