A baseline is a line that is a base for measurement or for

construction Construction is a general term meaning the art and science to form Physical object, objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Pr ...

. The word baseline may refer to: *

Baseline (configuration management) In Configuration Management, a baseline is an agreed description of the attributes of a product, at a point in time, which serves as a basis for defining change. A change is a movement from this baseline state to a next state. The identification ...

, the process of managing change *

Baseline (sea) A baseline, as defined by the United Nations Convention on the Law of the Sea, is the line along the coast from which the seaward limits of a state's territorial sea and certain other maritime zones of jurisdiction are measured, such as a state's ...

, the starting point for delimiting a coastal state's maritime zones **

Baselines of the Chinese territorial sea China declared its baselines for its maritime territory on 15 May 1996. The baselines were for the Chinese mainland and also for the Paracel (Xisha) Islands. The baselines for the mainland consist of a series of straight lines linking 49 basepoi ...

Baselines of Indonesia The territorial waters of Indonesia are defined according to the principles set out in Article 46 of the United Nations Convention on the Law of the Sea. Their boundary consists of straight lines ("baselines") linking 195 coordinate points locate ...

** Baselines of the Philippines * Baseline, in

underwater diving Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on contex ...

, a value used to convert cylinder pressure of a tank to free gas volume *

Baseline (surveying) In surveying, a baseline is a line between two points on the earth's surface and the direction and distance between them. In a triangulation network, at least one baseline between two stations needs to be measured to calculate the size of the t ...

, a line between two points of the earth's surface and the direction and distance between them * Baseline (typography), the line upon which most letters "sit" and below which descenders extend * Baseline (budgeting), an estimate of budget expected during a fiscal year *

Baseline (medicine) A baseline in science (including medicine) is the initial conditions found by observation and measurement at the beginning of a survey or clinical trial or which is used for comparison with later data collected during or after the survey or trial ...

, information found at the beginning of a study * Baseline (pharmacology), a person's state of mind or being, in the absence of drugs * The isoelectric line of an electrocardiogram * Baseline (interferometry), the length of an astronomical interferometer The name Baseline may refer to: * ''Baseline'' (magazine), a magazine devoted to typography, book arts, graphic design * Baseline (database), a TV and movie industry database * ''Baselines'' (album), the 1983 debut album of composer Bill Laswell * Baseline Road (Arizona), a major east–west artery in Phoenix, Arizona *

Baseline Road (Colorado) Baseline Road is a major east-west street in Boulder, Colorado that extends east of the city through parts of four counties. The western terminus of Baseline Road is at Flagstaff Mountain in the City of Boulder Mountain Parks. The eastern termi ...

, a major east–west artery in Boulder, Colorado *

Baseline Road (Ottawa) Baseline Road ( Ottawa Road #16) is a road in Ottawa, Ontario, Canada. Baseline runs from Richmond Road (almost directly over Highway 416) east in a straight line until it ends at the Heron Road Bridge over the Rideau River and Rideau Canal ...

, a major east–west artery in Ottawa, Ontario * Baseline station, a transitway station in Ottawa *

Base Line, Arkansas Base Line is a small community in Pulaski County, Arkansas, United States. Base Line is located in Southwest Little Rock ( The "Little Rock") , government_type = Council-manager , leader_title = Mayor , leader_name ...

Baseline Nunataks On the continent of Antarctica, the Aramis Range is the third range south in the Prince Charles Mountains, situated 11 miles southeast of the Porthos Range and extending for about 30 miles in a southwest–northeast direction. It was first vis ...

Baseline Rock Baseline Rock is an isolated rock lying between Nøst Island and the Flat Islands in Holme Bay, Mac. Robertson Land. It was mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936–37, and so named b ...

It may also refer to: * The base line in baseball * The back line on a

tennis court A tennis court is the venue where the sport of tennis is played. It is a firm rectangular surface with a low net stretched across the centre. The same surface can be used to play both Types of tennis match, doubles and singles matches. A variet ...

, and also a style of play in tennis; see

tennis strategy Players use different strategies while playing tennis to enhance their own strengths and exploit their opponent's weaknesses in order to gain the advantage and win more points. Players typically specialize or naturally play in a certain way, base ...

* The back line on a pickleball court * The end line on a

basketball court In basketball, the basketball court is the playing surface, consisting of a rectangular floor, with baskets at each end. Indoor basketball courts are almost always made of polished wood, usually maple, with -high rims on each basket. Outdoor sur ...

* A bassline in music * A

shifting baseline A shifting baseline (also known as a sliding baseline) is a type of change to how a system is measured, usually against previous reference points (baselines), which themselves may represent significant changes from an even earlier state of the syst ...

in statistics * Baseline Killer, a serial killer who was active in the Phoenix metro area between August 2005 and June 2006

See also