Sorry if I am confusing you.
I'm not confused.
I find it a difficult concept to explain in words.
Perhaps because what it actually means is "something utterly absurd that I made up so that I can pretend it gets me out of a logical problem I made for myself due to my blind faith in simplistic nonsense" but your subconscious mind is refusing to let you realise that?
The concept is all about the "present".
To try to define the present in the physical world is impossible - as soon as you define it, it disappears into history.
Now you seem now to be confusing the definition with the thing itself. The
present is rather easy to define, it means "
The period of time now occurring.", your problem is that it has no logical relevance because it is a period of time, not something that is separate from time. If we're going to be strict about the definition, it vanishes to a period of time of zero length and hence doesn't exist.
If there is some possibility that it means something to you that is logically significant, then you need to call it something else because "the present" has a meaning and it is logically irrelevant. To be clear: the word itself has a meaning but your pronouncements about it are gibberish because you are trying to make it into something that makes a logical difference.
The present only exists in your conscious awareness, where it is constant, and from where you are able to perceive the passing of time and changes in state with respect to time.
You can't
perceive the passing of time without actually
changing your state over time, because that's what perception involves. Hence the logic of systems within time applies to you.
If your conscious awareness was itself a reaction, then the present would be just as elusive as it is outside conscious awareness. Your conscious awareness must always remain in the present in order to perceive reality and not just react to it.
Now we have the totally circular attempt at a definition. "The present" is defined as "that which excuses me from the solid logic I have no answer for".