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Now, OP:
There are three issues with your kind of questioning.
One, this isn't even a 4chan-specific issue, it's just what happens with sites once the guidelines are publicly available: Just look up WP:PGL on Wikipedia for a list of things you are (not) supposed to say in discussions there. The more a site has to talk about its own meta, the more it becomes an esoteric circlejerk that doesn't actually talk about important things, like my oshi loving your oshi loving you.
Two, being lenient to this shifts discussions towards explanation threads and clipwatchers. People don't come here to educate you on things you would pick up over time anyway. They come here to talk about things they spend much time and attention on, and hear other people's opinions who do the same. And also to have a good time, for whatever qualifies as "good".
Three, there is no good way to condense conversational practices into a post. You just have to learn through exposure that board tourism is discouraged, that you have to always lurk more, and that if you are asking for a definition of a "final yab", you're just looking too hard into something.