Welcome AtSouthD!
I think it's going to take a while and plenty of observation to sort out these excellent questions. Just the fact that you are asking them will be very helpful.
Was Autism ruled out, or are further tests planned?
My son in particular was found to have visual problems from a Developmental Optomitrist, but not by his Opthamologist, that did go away with time and experience, but no treatement. Over the years the eye development - for my son - seemed to catch up. DS says he went on a 'wall ball' kick during 4th grade and that taught him depth perception. I watched the testing and it was a remarkable difference over a few years.
Some OTs who treat SPD will test the visual system.
I'm not very familiar with this particular test, but any score of 99.9 percentile is quite unusual, so she's probably verbally gifted 'for sure' and maybe 'quite unusually verbally gifted.'
I'd be interested in the Nonverbal Scale when the full report comes. Is it 'rather average across the board' or is it a combination of spiky highs and lows?
Meanwhile, a good book on giftedness to get some idea of 'what gifted kids can be like' at various ages, is Deb Ruf's '5 Levels of Giftedness.'
Do you have personal or family experience with giftedness? Does your DD have anything going on in her daily life that suggests giftedness?
Some gifted kids who are at 99.9 verbal have an expecially difficult time in preschool or day care with kids who can't talk. This leads sometimes to behaviors that look odd or immature - clinging to the adults (who can talk!) or acting out.
Love and More Love,
grinity