Header may refer to:

Computers and engineering

Header (computing) In information technology, header refers to supplemental data placed at the beginning of a block of data being stored or transmitted. In data transmission, the data following the header is sometimes called the ''payload'' or '' body''. It is vital ...

, supplemental data at the beginning of a data block **

E-mail header Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. Email was thus conceived as the electronic (digital) version of, or counterpart to, mail, at a time when "mail" meant ...

HTTP header The Hypertext Transfer Protocol (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, w ...

Header file Many programming languages and other computer files have a directive, often called include (sometimes copy or import), that causes the contents of the specified file to be inserted into the original file. These included files are called copybooks ...

, a text file used in computer programming (especially in C and C++) * A

pin header A pin header (or simply header) is a form of electrical connector. A male pin header consists of one or more rows of metal pins molded into a plastic base, often apart, though available in many spacings. Male pin headers are cost-effective du ...

is a mainly male style of electrical connector on printed circuit boards, including motherboards, providing links to external devices * Exhaust manifold, in automotive design

Construction

* Lintels (headers), structural members in light-frame construction which run perpendicular to floor and ceiling joists, "heading" them off to create an opening * Lintel (architecture), a structural member in post-and-lintel building construction * In

brickwork Brickwork is masonry produced by a bricklayer, using bricks and mortar. Typically, rows of bricks called ''courses'' are laid on top of one another to build up a structure such as a brick wall. Bricks may be differentiated from blocks by si ...

, a brick laid with its short side exposed * In

piping Within industry, piping is a system of pipes used to convey fluids (liquids and gases) from one location to another. The engineering discipline of piping design studies the efficient transport of fluid. Industrial process piping (and accompa ...

, a manifold or length of pipe that connects multiple smaller pipes

Sports

* Header (sailing): a term used in sailboat racing to denote a wind shift * Header, a

herding dog A herding dog, also known as a stock dog, shepherd dog, sheep dog or working dog, is a type of dog that either has been trained in herding or belongs to breeds that are developed for herding. Herding behavior All herding behavior is mo ...

with a specific method of interacting with its flock * Header, a headlong fall, particularly from a penny-farthing bicycle *

Header (association football) A header is a technique that is used in association football to control the ball using the head to pass, shoot or clear. This can be done by standing, jumping or diving position. Header is a common technique and is used by players in almost every ...

, use of the player's head to direct the ball in association football (soccer) * Header, a competitor in the

team roping Team roping also known as heading and heeling is a rodeo event that features a steer (typically a Corriente) and two mounted riders. The first roper is referred to as the "header", the person who ropes the front of the steer, usually around ...

rodeo event who specializes in roping a steer's head

Other

* ''Header'' (film), a 2006 film * Header (band), an Australian power pop band *

Page header In typography and word processing, a page header (or simply header) is text that is separated from the body text and appears at the top of a printed page. Word-processing programs usually allow for the configuration of page headers, which are ...

, in printing or typography the material separated from the main body that appears at the top of a page * Combine header or head, part of a combine harvester * Header, type of grain harvester * Header, is a reference to an area within a document that serves to provide the needed context on the content that is included in the report. Headers are often used in reporting to segment content in a consistent manner from one report to another. In this context, especially recognizing the evolving technology display user interfaces, the Header information may appear anywhere within that display (aka Quip :).

Computers and engineering

Construction

Sports

Other

See also