(1)商品資源觀(guān)察 (2)顧客觀(guān)察; (3)顧客流量觀(guān)察; (4)營(yíng)業(yè)狀況觀(guān)察; (5)商品庫(kù)存觀(guān)察; (6)痕跡觀(guān)察。