HSD = Horizontal Situation Display right?
http://acronyms.thefreedictionary.com/HSD
Or maybe the one listed two spots above it (and it sounds like the same thing to me - lol)?
Hmm.. Correct me if I'm wrong, and add if you have more...
The Basics:
NT = Neurotypical. Generally used around here to describe someone without ASD.
AS = Aspreger's Syndrome
ASD = Autism Spectrum Disorder (wide range of them, including AS and PDD-NOS)
PDD-NOS = (pervasive) Developmental Delay. Not (otherwise) Specified.
ADHD/ADD = Attention Deficit Hyperactivity Disorder * Not sure if ADD/ADHD is the same thing.
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By simply doing what they are designed to do something large and magnificient happens. In this sense they show us how to live; The only barometer you have is your heart. When you spot your flower, you can't let anything get in your way. - John Laroche