What does the house number 10 1- 105 mean?

Functions and uses, such as: every room in the hotel is the same, with the house number, you can quickly find the room to stay in. It is also convenient for hotel management. House number, on some doors, there should be another house number to express information. Guiding signs: let outsiders know this public space quickly. Function identification: used to reflect the function of a certain area or room.