In short, I'd answer, "correct", "yes", and "not necessarily," but now we have another term (feeding) thrown into the mix along with 'biting' and 'striking'.
The problem at this point is we start getting into semantics, what or who you believe, as well as where your definitions are coming from (IMHO). This is one of the biggest reasons why I like the way Buck approached his fishing. Arguably, this is one of the few cases in which I'd say that the semantics don't matter, because depth and speed control, combined with "aids," as needed, cover everything. It stops you from overthinking your approach to each and every situation. Are they biting? Are they feeding? Are they striking? Am I supposed to fish this bait fast or slow? What if they're neutral instead of positive or negative? Proper depth and speed control will take care of it all, plus so much more. It really is that simple.
All that said, one thing I like to do is refer back to the Lindner's (In' Fisherman) original work, as well as their later stuff, and see how thoughts and concepts have changed. I do this because a large part of the basic In' Fisherman formula and concepts were simply Buck's works/words adopted, reworded (sometimes) and expanded upon. So, for instance, in the case of pos., neutral, neg., a look at the very first issue of In' Fisherman gives you the following:
They also wrote about 'striking' versus 'biting' versus 'feeding' as such:
One of the earlier 'Fishing News' newspapers (1965) had "Striking vs. Biting" as their featured headline article, and a much more in-depth look at the subject. However, the more you read on the subject, the more confusing it can get. Later editions of Fishing Facts magazines contained a section in the front of every issue called "Fishing Talk - our language of structure fishing." This was a compilation of terminology and definitions provided by both Buck and Ron Lindner. In it, they listed the following definition of the two terms, attributed to Ron:
Biting: The act of actively seeking out forage. The fish are in a positive appetite mood. "The fish are biting."
Striking: An involuntary reflex action which prompts a fish to strike at a bait or lure due to his pugnacious nature, and as triggered by the right combination of controls the fisherman can exercise over his lure, principally speed and depth. This is the opposite of biting, which is a feeding process.
So, in the end, I don't know if any of this made things more clear or more confusing - LOL. Personally, in my fishing, I just try and follow the guidelines and don't worry about such things
-T9