What message does kurt vonnegut convey through the satire "harrison bergeron," and how do the characters develop this message?

Yes, just because one had a disability doesn't change the meaning of the word. they would most likely have an (whatever language) sign language to sign what's going on. it would be the same even if he was blind.

The answer is focused on because it boils down to the fact means to focus on. 

While image captions might seem like a small thing, they can demand even more attention from readers than the regular text.