"Explanation" check-box in Explain category posts

Of course, but they are intended to explain something (strange for ex.)
My take of “Explain” category is “explain me why…” and not “lets chat about…”.
Some time ago (before Explain category was born) I suddenly realized that
some of my topics do not fit into Help category well.

The keyword here is your.
If I am having troubles with a program I am writing (compilation errors and so on) then a question is definitely for Help category.

Example number three (a bit similar to number two).

Originally it was in Help (because there was no Explain at the moment of creating) then at some moment I put it into Explain. Does this topic fit into Explain? IMHO, it fits ideally.
Do I want that “problem” to be solved right now? No, I do not, I just want some explanation.
This is a sort of external thing, it’s nothing to do with my code.