KeyWords

Keywords

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This article is about linguistic term. For an HTML meta element, see Meta element#The keywords attribute. For keywords in information retrieval, see Index term.

Keywords are the words that are used to reveal the internal structure of an author's reasoning. While they are used primarily for rhetoric, they are also used in a strictly grammatical sense for structural composition, reasoning, and comprehension. Indeed, they are an essential part of any language.

There are many different types of keyword categories including: Conclusion, Continuation, Contrast, Emphasis, Evidence, Illustration and Sequence. Each category serves its own function, as do the keywords inside of a given category.

English Keywords

key words - adjectives verbs nouns

Type	Signals	Examples
Conclusion or Causality	a summation of information	therefore; thus; in conclusion; believes; so; consequently; it can be seen that; can conclude that; claims that; all in all;
Continuation	more support for the same claim is coming up	and; also; moreover; furthermore; plus; in addition; at the same time; as well as; equally;besides; what is more; both...and; equally important; not only...but also
Contrast (linguistics)	a comparison of similarities and differences	but; despite; yet; however; alternatively; still; although; unless; otherwise; not; though; while; nevertheless; by contrast; notwithstanding; rather; conversely; in spite of; on the other hand; contrarily
	what is considered important	I think; above all; essentially; clearly; most of all; especially; primarily; particularly; in large measure; indeed;
Evidence	an upcoming background	because; for; since; the reason is that;
Illustration/Exemplification	that an example is being given as support for a claim.	for example; for instance; specifically; to illustrate; such as; In the words of; To "name"; For "name"; According to "name"; as "name" says,;
Sequence	that there is a structure or order that has been formulated in the writing	Firstly,...,Secondly,...Thirdly,...Lastly; Next; Finally; On the one hand; Recently;

Corpus Linguistic Key Words

In corpus linguistics, key words can be identified as words which appear with statistically unusual frequency in a text or a corpus of texts; as such they are identified by software by comparing a word-list of the text in question with a word-list based on a larger reference corpus. A suitable term for the phenomenon is keyness. The procedure used for example by WordSmith in order to list key words/phrases and plot where they appear in texts. These items are very often of interest, particularly interesting are those which human readers would be unlikely to notice such as prepositions, time adverbs and pronouns.

See also: Scott, M. & Tribble, C., 2006, Textual Patterns: keyword and corpus analysis in language education, Amsterdam: Benjamins.

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