What is less clear is the motivation and the process.

Did a single community deliberately bury a completed and finished enclosure in one act?

Did backfilling happen gradually as new construction proceeded around an older structure?

Was the fill deposited by the same community that built the enclosure, or by different groups working at the site in later periods?

The answers to these questions are not fully resolved by the available evidence.

Some enclosures show evidence of multiple phases of use and modification before backfilling.