Parable of the Weeds-Matthew 13:24-30, 36-43 The Harvest
Maybe the main center control level , but there are sub levels for storage, equipment, and nefarious purposes etc. You are correct on the negative values indicate "something" try to leave the surface and hopefully didn't make.
Thank you for the correction. I apologize for putting the cart before the horse. Just anxious, but it is God's timing not mine.