It is preference to see your own sex representatives as an object of romantic relationship and erotic attraction. Homosexuality is one of the three main classifications of sexual orientation along with heterosexuality and bisexuality. More info about this in the video.
Homosexual people, like everyone else, tend to create a family. Statistics of the countries allowing same-sex marriages shows that such couples are not less stable than heterosexual. More info about this in the video.
The negative reaction to homosexuality and related social phenomena is called homophobia. In the international documents homophobia is seen alongside with racism, xenophobia and anti-semitism. More info about this in the video.
LGBT-movement is a public and political movement aimed at observance of human rights, overcoming discrimination and recognizing the right of all the people to be the way they are. More info about this in the video.