Angle points are also used in other types of surveys, such as metes and bounds, surveys of private claims located on surveyed lands and other claims, grants, or reservations having irregular boundaries. Here are other abbreviations and terms used in this course:

Lat. = Latitude
Dep. = Departure
Rec. = Record
Sec. Cor. = Section Corner
C.C. = Closing corner
Dist. = Distance

Closing distance is the distance from the end of a record traverse to an original corner location or monument. Another name for this is closing error. This could also be called a residual error, but don't confuse closing error with error of closure, which is the error determined mathematically in a closed traverse. Tie is another name for on the ground closing error. But these are also ties. One, a bearing tie to a visible church steeple. The other a bearing and a distance tie to a prominent mountain peek as measured with an electronic measuring device.