Hey guys I dont understand why this find command outputs different results...

find / -uid 1000 VS find / -uid -1000

Why does the command that has a dash in front of the 1000 output so much more text? (the VS is not part of the command it means versus)

You need to read the man page carefully.
Numbers in the find command, as clearly documented, can be without signum (meaning exactly), they can have a leading + (meaning more than), or have a leading - (meaning less than).
Your first command is finding all files and folders belonging to the user with UID 1000. Your second command will find all files and folders belonging to users with UID less than 1000 (including root), thus the MUCH larger list.
Look it up and read carefully.

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deleted. sorry.

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Thank you both that makes perfect sense I saw those symbols in the man pages, but i didnt know how to interpret them in this case.. One more question i meant to orginally ask but I forgot,
is ps syntax. Why is ps -ax not in the format ps -a x because theres not an -x? They seperate the aguments in this command ps -a f .. This is really confusing cause im not sure how to type them in the proper order..

4th block of man ps

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Thanks for pointing that out Habitual it says "These options accept a single argument in the form of a blank-seperated or comma-seperated list" But how would the system know if I wanted forest view for f, and not the full format listing option of -f if you can just bunch the commands together with different agument formats like ps -ax does..

Again, you need to READ.

The man pages clearly state that the command can understand two kinds of short parameters:unix98 (single dash), BSD (no dash). It can also understand GNU parameters (double-dash long form). The pages go on to describe the different behavior of all of the kinds of parameters.
AND that they can be mixed on the command line, and (on my machine at least) how that looks using some examples.

The maintainers do not write all of those long man and info pages for no reason, most of your answers are right there if you only LOOK for it.

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Thanks for the response I just think man pages are bland in explanation, cause alot of the time I feel they require you already know what a partiular symbol means for regex, sed/awk etc (in this case bsd/unix/gnu formats, which Idk were)..Nevertheless I do skim through them looking for the info I need, but still not understanding how the system interprets the f from -f in ps -af.. I appreciate your response however i'm one step closer to understanding how this all works

I grant that not all of the man pages are written to the same quality...

It also takes some time to get used to the style.

True with practice makes perfect, I probaly should review man man