Gay is a term used for homosexuals. Whereas, queer is a slang term used for LGBT-identity people.

Queer is a slang term used for LGBT-identity people and other sexual minorities. Transgender is the state in which a person’s gender identity does not match with his/her physical sex.

Gay is a term commonly used to refer to homosexuals. Whereas, impotent is a term used for the people who are unable to reproduce and have satisfactory sexual intercourse.

The term 'homosexual' is used for people with attraction for same sex and sexual behavior for same gender. Heterosexuals are people who get attracted to the people of opposite sex.

Gay is a term given to the people who believe in homosexuality. Whereas, straight is a slang term used for heterosexuals.