Explain the terms like Village Map, Genealogical Tree?

Village map is a sketch, which gives the complete details of lands, houses including the gramathana sites, survey numbers, and house numbers and roads falling within the jurisdiction of the village. The survey department issues the village map

Genealogical tree is also called the family tree of any given person. It gives the details of the family, like names of the wife/wives of any given person, details of his children, grand children and so on.  It would help to trace the flow of the property and succession.  The Village Accountant issues the genealogical tree.