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A vocabulary (also known as a lexicon) is a set of words, typically the set in a language or the set known to an individual. The word vocabulary originated from the Latin vocabulum, meaning "a word, name". It forms an essential component of language and communication, helping convey thoughts, ideas, emotions, and information.
When n = 3, a level set is called a level surface (or isosurface); so a level surface is the set of all real-valued roots of an equation in three variables x 1, x 2 and x 3. For higher values of n, the level set is a level hypersurface, the set of all real-valued roots of an equation in n > 3 variables. A level set is a special case of a fiber.
A lexical set is a group of words that share a particular vowel or consonant sound. A phoneme is a basic unit of sound in a language that can distinguish one word from another. Most commonly, following the work of phonetician John C. Wells, a lexical set is a class of words in a language that share a certain vowel phoneme.
Vocabulary – The set of words in a given language that a speaker is familiar with, which can be subdivided into: a) words which are recognized upon hearing or reading; and b) words which a person feels comfortable using in speech.
When the items are words, n-grams may also be called shingles. [ 2 ] In the context of Natural language processing (NLP), the use of n -grams allows bag-of-words models to capture information such as word order, which would not be possible in the traditional bag of words setting.
In lexicography [citation needed], a lexical item is a single word, a part of a word, or a chain of words that forms the basic elements of a language's lexicon (≈ vocabulary). [ citation needed ] Examples are cat , traffic light , take care of , by the way , and it's raining cats and dogs .
English grammar is the set of structural rules of the English language. ... or, and but can be used at various levels in noun phrases, as in John, Paul, ...
L = Σ *, the set of all words over Σ; L = {a} * = {a n}, where n ranges over the natural numbers and "a n" means "a" repeated n times (this is the set of words consisting only of the symbol "a"); the set of syntactically correct programs in a given programming language (the syntax of which is usually defined by a context-free grammar);