Maybe you grew up with classmates who used the word “gay” to describe something they thought was stupid.

Or perhaps the boys at school played “smear the queer,” a chase game of keep away and tackling.

Times and attitudes have changed. Homophobic recess games aren’t acceptable anymore. But there’s a lot that’s happened in the past two decades.

Maybe you know what the L, G, B and T mean in LGBTQIA, but the rest of the letters are a mystery, and you’re not sure what it means if someone...