Sub-forum thread list usually listed with latest one first .... but:

why does there sometimes appear 1-3 threads
at the very top of the list, that is 1-4/5 years old?

such as?

Still learning to navigate around TFS/forums. brb.

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This should be the example.

Those are sticky threads. They're things that are important, so they're kept at the top of the list for reference.

Aaaacchhhhhh, of course. That's what comes from
trying to read and post half asleep. Thanks.