Sexual orientation concerns who you are attracted to. Homosexual, heterosexual, bisexual, and pansexual are some of the possible variations on sexual orientation.
Gender identity concerns who you identify as. Transgender, genderqueer, and cisgender are some of the possible variations on gender identity.
Re: "Cis" may not mean what you intend it to.
Sexual orientation concerns who you are attracted to. Homosexual, heterosexual, bisexual, and pansexual are some of the possible variations on sexual orientation.
Gender identity concerns who you identify as. Transgender, genderqueer, and cisgender are some of the possible variations on gender identity.