[ch-] Charlie Brown is in the [3] basement of the [-an] pawn shop where he is 闡 expounding upon the various types of 門 saloon doors they sell there to a customer. He has a 單 list of every type and he 闡 expounds about why one would want one or another, or the specific history of a certain style and so on. The customer, who just wanted to buy a 門 saloon door, is waiting for Charlie to stop 闡 expounding upon this stuff.