Competition in the context of "Open (sport)"

A customs union is generally defined as a type of trade bloc which is composed of a free trade area with a common external tariff.

Customs unions are established through trade pacts where the participant countries set up common external trade policy (in some cases they use different import quotas). Common competition policy is also helpful to avoid competition deficiency.

Sport is a physical activity or game, often competitive and organized, that maintains or improves physical ability and skills. Sport may provide enjoyment to participants and entertainment to spectators. The number of participants in a particular sport can vary from hundreds of people to a single individual.

Sport competitions may use a team or single person format, and may be open, allowing a broad range of participants, or closed, restricting participation to specific groups or those invited. Competitions may allow a "tie" or "draw", in which there is no single winner; others provide tie-breaking methods to ensure there is only one winner. They also may be arranged in a tournament format, producing a champion. Many sports leagues make an annual champion by arranging games in a regular sports season, followed in some cases by playoffs.

Track and field is a sport that includes athletic contests based on running, jumping, and throwing skills. The name used in North America is derived from where the sport takes place, a running track and a grass field for the throwing and some of the jumping events. Track and field is categorized under the umbrella sport of athletics, which also includes road running, cross country running and race walking. Though the sense of "athletics" as a broader sport is not used in American English, outside of the United States the term athletics can either be used to mean just its track and field component or the entirety of the sport (adding road racing and cross country) based on context.

The foot racing events, which include sprints, middle- and long-distance events, race walking, and hurdling, are won by the athlete who completes it in the least time. The jumping and throwing events are won by those who achieve the greatest distance or height. Regular jumping events include long jump, triple jump, high jump, and pole vault, while the most common throwing events are shot put, javelin, discus, and hammer. There are also "combined events" or "multi events", such as the pentathlon consisting of five events, heptathlon consisting of seven events, and decathlon consisting of ten events. In these, athletes participate in a combination of track and field events. Most track and field events are individual sports with a single victor; the most prominent team events are relay races, which typically feature teams of four. Events are almost exclusively divided by gender, although both the men's and women's competitions are usually held at the same venue. One exception are mixed relays, in which two men and two women make up the four-person team. If a race has too many people to run all at once, preliminary heats will be run to narrow down the field of participants.

Athletics is a term encompassing the human competitive sports and games requiring physical skill, and the systems of training that prepare athletes for competitive performance. Athletic sports or contests are competitions which are primarily based on human physical competition, demanding the qualities of stamina, fitness, and skill. Athletic sports form the bulk of popular sporting activities, with other major forms including motorsports, precision sports, extreme sports and animal sports.

Athletic contests, as one of the earliest types of sport, are prehistoric and comprised a significant part of the Ancient Olympic Games, along with equestrian events. The word "athletic" is derived from the Ancient Greek: άθλος (athlos) meaning "contest." Athletic sports became organized in the late 19th century with the formation of organizations such as the Amateur Athletic Union in the United States and the Union des Sociétés Françaises de Sports Athlétiques in France. The Intercollegiate Athletic Association of the United States (later the National Collegiate Athletic Association) was established in 1906 to oversee athletic sports at college-level in the United States, known as college athletics.

A tournament is a competition involving at least three competitors, all participating in a sport or game. More specifically, the term may be used in either of two distinct senses:

1. A competition involving a number of matches, each involving a subset of the competitors, with the overall tournament winner determined based on the combined results of these individual matches.
2. One or more competitions held at a single venue and concentrated into a relatively short time interval.

The first sense is common in sports and games where each match must involve a small number of competitors, often precisely two, as in most competitive team sports, racket sports, combat sports, card games, and board games. Such tournaments allow large numbers to compete against each other in spite of the restriction on numbers in a single match. All golf tournaments meet the second definition, but while match play tournaments also meet the first, stroke play tournaments do not, since there are no distinct matches within such tournaments. In contrast, association football leagues like the Premier League hold tournaments only in the first sense, as matches are spread across many venues over an extended period of time. Many tournaments meet both definitions; for example, the Wimbledon tennis championship.

Premium-rate telephone numbers are telephone numbers that charge callers higher price rates for select services, including information and entertainment. A portion of the call fees is paid to the service provider, allowing premium calls to be an additional source of revenue for businesses. Tech support, psychic hotlines, and adult chat lines (e.g. dating and phone sex) are among the most popular kinds of premium-rate phone services. Other services include directory enquiries, weather forecasts, competitions and ratings televoting (especially relating to television shows). Some businesses, e.g. low-cost airlines, and diplomatic missions, such as the US Embassy in London or the UK Embassy in Washington, have also used premium-rate phone numbers for calls from the general public.

Premium calls are typically independent of the caller's area code. These telephone numbers are usually allocated based on a national telephone numbering plan that makes them easily distinguishable from non-premium numbers; telephone companies often offer their customers the option to block calls from these number ranges, and in some jurisdictions, are required by law to offer blocking services.

Recreational fishing, also called sport fishing or game fishing, is fishing for leisure, exercise or competition. It can be contrasted with commercial fishing, which is occupational fishing activities done for profit; or subsistence fishing, which is fishing for survival and livelihood.

The most common form of recreational fishing is angling, which is done with a rig of rod, reel, line, hooks and any one of a wide range of baits, as well as other complementary devices such as weights, floats, swivels and method feeders, collectively referred to as terminal tackles. Lures are frequently used instead of fresh bait when fishing for predatory fishes. Some hobbyists hand-make custom tackles themselves, including plastic lures and artificial flies.

Zero-sum game is a mathematical representation in game theory and economic theory of a situation that involves two competing entities, where the result is an advantage for one side and an equivalent loss for the other. In other words, player one's gain is equivalent to player two's loss, with the result that the net improvement in benefit of the game is zero.

If the total gains of the participants are added up, and the total losses are subtracted, they will sum to zero. Thus, cutting a cake, where taking a more significant piece reduces the amount of cake available for others as much as it increases the amount available for that taker, is a zero-sum game if all participants value each unit of cake equally. Other examples of zero-sum games in daily life include games like poker, chess, sport and bridge where one person gains and another person loses, which results in a zero-net benefit for every player. In the markets and financial instruments, futures contracts and options are zero-sum games as well.