Does anyone know who they were? What they did?

The reference helps to disambiguate that the question is about folk moots, rather than "moot courts." A sufficient answer can be found in the Oxford English Dictionary, which is freely available to all Columbia community members online.

For the answer team, let's take a more specific object of inquiry: the "hundred courts," which have their origin in the "hundred moot." What was the hundred in Anglo-Saxon England? How was the hundred as a unit affected by Norman legislation? What were the functions of the hundred court before Edward I?

-- InbarAsif - 03 Sep 2014