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English definition of “function”

function

noun     /ˈfʌŋkʃən/
[C or U] the purpose that something has: The perfect marriage between product design and function account for the company’s success in the computer market. A fundamental function of the Bank of England is the responsibility of carrying out monetary policy operations.
[C or U] a job or task that someone or something does: My function is to help coordinate efficient communication between the departments. carry out/perform a function
[C] HR a particular area of responsibility of a company: a sales/marketing/business functioncore/corporate functions Of all the core functions of most companies, innovation has arguably the most competitive value.
[C] IT a process which a computer or a software program uses to complete a task: a search/save/sort function The website benefits from a highly-efficient search function.
[C] an official occasion or event attended by many people: a charity/social/work function
be a function of sth if something is a function of something else, it is produced as the result of that thing or process: The increased availability of part-time jobs is a function of the structural changes in the labour market.
→ See also consumption function
(Definition of function noun from the Cambridge Business English Dictionary © Cambridge University Press)
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