True, good clarification. I had visited the more general page also[1] but thought the other was more relevant to the email thread. And definitely much better t

True, good clarification. I had visited the more general page also[1] but thought the other was more relevant to the email thread. And definitely much better than my only other inkling for what that meant in relation to computer systems.[2] [1] https://en.wikipedia.org/wiki/Hardware_abstraction https://en.wikipedia.org/wiki/Hardware_abstraction [2] https://en.wikipedia.org/wiki/HAL_9000 https://en.wikipedia.org/wiki/HAL_9000