Surveying

In navigation bearing may refer, depending on the context, to any of: (A) the direction or course of motion itself; (B) the direction of a distant object relative to the current course (or the "change" in course that would be needed to get to that distant object); or (C), the angle away from North of a distant point as observed at the current point.

A triangulation station, also known as a triangulation pillar, trigonometrical station, trigonometrical point, trig station, trig beacon or trig point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity.

Base station (also: base radio station) is – according to article 1.

A cadastre (also spelled cadaster), using a cadastral survey or cadastral map, is a comprehensive register of the real estate or real property's metes-and-bounds of a country.

Chorography (from χῶρος khōros, "place" and γράφειν graphein, "to write") is the art of describing or mapping a region or district, and by extension such a description or map.

A geodetic datum or geodetic system is a coordinate system, and a set of reference points, used to locate places on the Earth (or similar objects).

The mile is an English unit of length of linear measure equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.

In surveying, a baseline is a line between two points on the earth's surface and the direction and distance between them.

A boundary marker, border marker, boundary stone, or border stone is a robust physical marker that identifies the start of a land boundary or the change in a boundary, especially a change in direction of a boundary.

Resection is a method for determining an unknown position (position finding) measuring angles with respect to known positions.

A milestone is one of a series of numbered markers placed along a road or boundary at intervals of one mile or occasionally, parts of a mile.

Surveying in North America is heavily influenced by the United States Public lands survey system.

3D data acquisition and reconstruction is the generation of three-dimensional or spatiotemporal models from sensor data.

In physics, a frame of reference (or reference frame) consists of an abstract coordinate system and the set of physical reference points that uniquely fix (locate and orient) the coordinate system and standardize measurements.

The OrthoGraph product family is a building surveying/ floor plan creation software for iPad developed in Hungary.

Clairaut's theorem is a general mathematical law applying to spheroids of revolution.

A principal meridian is a meridian used for survey control in a large region.

Right to light is a form of easement in English law that gives a long-standing owner of a building with windows a right to maintain the level of illumination.