The acronym LGBTQ has been in use since 1990s and stands for: Lesbian, Gay, Bisexual, Transgender and Queer. Lots of people fancy people of the same sex. Being attracted to someone of the same sex is common, normal and makes you who you are. Some may be sure about how they feel, and others may take more time to be sure of their sexual orientation.
The terms are complex and this information is only a starting point, further information in the glossary.