What difference does it make to have support, appropriate teaching, appropriate education settings and levels? What difference does individualization and understanding make?
It makes for these.
This feature shows the letters of the font Galludet, which is awesome. Learning to fingerspell is fun, and give you an excellent way to communicate without having to make a lot of noise. I recommend learning some basic sign to use as visual prompts for your child, too, even if they are not deaf or have hearing loss.