They sweep.
Just return to the top and navigate to the level you want, To return to the home page click the banner, otherwise you may in a subdirectory.
It does have links for the previous and next thread at the bottom.
I really don['t know what a breadcrumb is, and I've been using forums sites for 21 years.
Edit: If you mean something like a list of 'similar threads', that's not really all that useful.
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I don't know nothing, and I memorized it in school and got this here paper I'm proud of to show it.
Last edited by Rollfast; 12-15-18 at 05:39 PM.