To call on someone at their home or place of business, often unexpectedly or with a specific purpose (such as to settle a debt or confront someone)

to deliver something to someone's home; to bring something or someone directly to a person's presence

To provide home delivery services; to deliver goods directly to a customer's home or place of business

a fee charged for a professional or technician to visit a customer's home; house call fee

to invite a bad person or a source of trouble into one's home or life; literally "to invite a ghost to one's door"

To close a door behind oneself, especially when leaving or entering a room.

bricks-and-mortar customer; walk-in customer