Except, we should use the word later. So in a long discussion you’d see the gaps
3 weeks later
6 months later
1 year later
Called out so it is clearer when the “resurrections” were, and you can respond appropriately, follow the discussion’s evolution over time more easily, etc.
Well if you use some sort of heat map approach, it is large when it is much bigger than other gaps in similar topics. What would be a similar topic? My first guess would be something in the same category with about the same number of posts before the gap. This would accommodate television show topics which would likely spike weekly separately from say full moon topics which would spike monthly(ish).
4 days would work for existing communities converting to Discourse, but seems low for a a brand new forum that hasn’t gotten the ball rolling yet. Seeing a bunch of tumbleweeds is unlikely to motivate people to stick around. There should perhaps be a hint next to the setting to guide people in the right direction.