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Very short sections and subsections clutter an article with headings and inhibit the flow of the prose. Short paragraphs and single sentences generally do not warrant their own subheadings. Headings follow a six-level hierarchy, starting at 1 and ending at 6. The level of the heading is defined by the number of equals signs on each side of the ...
Similarly, when linking to a section, leave an invisible comment at the heading of the target section, naming the linking articles, so that if the heading is later altered these can be easily fixed, or alternatively another anchor can be created if there are many. [j] For (a combined) example:
LCSH is the world's most widely used subject vocabulary. [1] Despite LCSH's wide-ranging and comprehensive scope, libraries that deal with more specific types of collections or user communities may use other vocabularies; for example, many medical libraries in the United States use the National Library of Medicine's Medical Subject Headings (MeSH).
In information retrieval, an index term (also known as subject term, subject heading, descriptor, or keyword) is a term that captures the essence of the topic of a document. Index terms make up a controlled vocabulary for use in bibliographic records .
An index (pl.: usually indexes, more rarely indices) is a list of words or phrases ('headings') and associated pointers ('locators') to where useful material relating to that heading can be found in a document or collection of documents. Examples are an index in the back matter of a book and an index that serves as a library catalog.
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For example, if the term "terrorist" is disputed in a given setting, don't use "Terrorist attacks" as a heading. Content within a section can be used to explain, fairly, the controversy over a word or phrase, but a heading lacks necessary nuance. Don't have two sections or subsections with the same heading.
Subject indexing is the act of describing or classifying a document by index terms, keywords, or other symbols in order to indicate what different documents are about, to summarize their contents or to increase findability. In other words, it is about identifying and describing the subject of documents. Indexes are constructed, separately, on ...