You can place a WikiPage OnFocus by making all kind of links to that page,  adding existing WikiNames in that page, or linking other pages to that page. You can also make a minor change, to place the page in RecentChanges, etcetera.

If you happen to find a very interesting page that's unreferenced, you should place it more OnFocus.
 
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See also:
TypicalHousekeepingTasks, OffFocus, ThingsOnWikisMind;
Compare:
OnTopic