keyword
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keyword
[′kē‚wərd] (computer science)
A group of letters and numbers in a specific order that has special significance in a computer system.
keyword
(1)One of a fixed set of symbols built into the syntax of a
language. Typical keywords would be if, then, else, print,
goto, while, switch. There are usually restrictions about
reusing keywords as names for user-defined objects such as
variables or procedures. Languages vary as to what is
provided as a keyword and what is a library routine, for
example some languages provide keywords for input/output
operations whereas in others these are library routines.
keyword
(2)A small set of words designed to convey the subject of a
technical article. Some publications specify a fixed set of
keywords from which those for a particular article should be
chosen.
keyword
(1) A word used in a text search.(2) A word in a text document that is used in an index to best describe the contents of the document.
(3) A reserved word in a programming or command language.