There is a standalone smart contract co-managed by a trader and the Shorter system behind each position object. The hash of one position refers to the hash of the smart contract and you can discover and fathom the position via the blockchain explorer.
Underlying tokens borrowed from token loan pools by the trader.
The capacity of debt needs to be bought back to cover while exercising the closing or liquidating process. Always a negative number.
Closing: Under liquidating process.
Legacy: Being tweaked to this state after overdrawn.
Closed: No debt and no remanent legacy assets. Totally clear, no matter it was closed by a trader or ruler.