Tree structure: Difference between revisions

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In the example, 'encyclopedia' is the parent of 'science' and 'culture', its children. 'Art' and 'craft' are siblings, and children of 'culture'.
 
Tree structures are used to depict all kinds of [[taxonomy|taxonomicaltaxonomic]] knowledge, such as family trees, the grammatical structure of a language (the famous example being S -> NP VP, meaning a sentence is a noun phrase and a verb phrase), the way web pages are logically ordered in a web site, et cetera.
 
Trees have a number of interesting properties: