a number bi itself dont meen nuthun...gotta hav more stuf . . . "servaer yunit" is how servaers duit . . . step 1...gotta hav a start point=a landmark, hopefully a konkteet . . . thang with a metal on top with werds that giv latitude & longitude . . . Guvt make such thangs . . . step 2...servaer mark out the boundree av a plot av land bi list . . . direkshun and distans av side 1 from the marker . . . direkshun is alwaes from North or Eest . . . such as N+33.77 deg...+=klokwise . . . distans in ft . .. Go around all sides & end up at start point