when you go to a cemetery to visit or pray for somebody you don't know, for example, a friend's mom you most likely will need to find somebody around to help you find the grave this can be hard because to everybody will know where the grave is So if a number system for the graves is implemented in every Cemetary a person could easily type the name of the cemetery the name or number of the person they are looking for and they will be lead there using the app instead of having to ask around. This would make things more efficient and uncomplicated for anyone looking for a grave, they don't know the location of.