Transgenderの定義を英語で。ここにある「umbrella term」は便利な表現。「〜を指す包括的な語，総称」くらいの意味か。
Transgender is an umbrella term that refers to people whose gender identity, expression or behavior is different from those typically associated with their assigned sex at birth. Other identities considered to fall under this umbrella can include non-binary, gender fluid, and genderqueer – as well as many more.
