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Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
Commander-in-chief
The person with overall command of a country’s armed forces.
Commanding confidence
Having enough support in the House of Commons to survive votes of no confidence and secure essential decisions, such as government funding.
Command line interface
An interface through which a user gives instructions by typing text-based commands.
Commandment
A religious instruction or law about how people should live.
Command sequence
A series of instructions executed in order, one after another.
Comma-separated value (CSV) file
A text file that stores table-like data, with commas separating fields and usually one record on each line.
Comma splice
An error in which two main clauses are joined by a comma alone.
Commedia dell’arte
An Italian theatrical tradition using recognisable character types, including comic servants, and improvised dialogue and physical humour.
Commemoration
An event or action that honours and preserves the memory of a person or historical event.
Commemoration
A monument or celebration which preserves the memory of a person or event.
Commemoration
An observance that remembers a significant person or event; it may involve mourning rather than celebration.
Commendation
Entrusting a person who has died to God’s mercy and care through prayer.
Commendation of the dying
Prayers entrusting a person approaching death to God’s care and mercy.
Comment
An explanatory note in code that is not executed as an instruction.
Commerce
Buying and selling goods or services, especially on a large scale.
Commercial agriculture
Farming to produce crops or livestock for sale.
Commercial exploitation
Using or extracting resources to sell them or produce goods and services for profit.
Commercial farming
Farming mainly to produce crops or livestock for sale.
Commercial fishing
Catching fish for sale rather than mainly for the fishers’ own consumption.
Commercial funding
A funding model in which a media organisation earns revenue from activities such as sales, subscriptions and advertising, with the aim of making a profit.
Commercialisation
The process of using sport to generate income, including through sponsorship, advertising and selling broadcasting rights.
Commercial land use
Land used for business activities, including shops and offices.
Commercial media
Media run as a business to generate income and profit, often through advertising, subscriptions or sales.
Commercial media industry
A media industry that produces and distributes products to generate income and profit.
Commercial model
A funding model in which a media organisation earns income from its products or services with the aim of making a profit.
Commercial ownership
Media ownership organised around earning revenue and making a profit, often through advertising.
Commercial rivalry
Competition over trade, markets and wealth.
Commission
An appointment giving someone the rank and authority of an army officer. Before 1871, commissions in many British regiments could be purchased.
Commission
Payment linked to the value of sales achieved, usually calculated as a percentage of sales revenue.
Commission
A task entrusted to someone with the authority to carry it out; Jesus commissions his disciples to preach throughout the world.
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