Lexicography is the study of lexicons and the art of compiling dictionaries. It is divided into two separate academic disciplines:
Practical lexicography is the compiling, writing, and editing of dictionaries. Theoretical lexicography is the scholarly study of semantic, orthographic, syntagmatic, and paradigmatic features of lexemes of the lexicon (vocabulary) of a language, developing theories of dictionary components and structures linking the data in dictionaries, the needs for information by users in specific types of situations, and how users may best access the data incorporated in printed and electronic dictionaries. This is sometimes referred to as "metalexicography" as it is concerned with the finished dictionary itself. There is some disagreement on the definition of lexicology, as distinct from lexicography. Some use "lexicology" as a synonym for theoretical lexicography; others use it to mean a branch of linguistics pertaining to the inventory of words in a particular language. A person practicing lexicography is a lexicographer.
Focus Generally, lexicography focuses on the design, compilation, use and evaluation of general dictionaries, i.e. dictionaries that provide a description of the language extant and in general use amongst members of a population. Specialized lexicography focuses on the design, compilation, use and evaluation of specialized dictionaries, i.e. dictionaries that are devoted to a (relatively restricted) set of linguistic and factual elements of one or more specialist subject fields, e.g. legal lexicography. Such a dictionary is usually called a specialized dictionary or Language for specific purposes dictionary; following Nielsen (1994), these are said to be either multi-field, single-field, or sub-field dictionaries. It is now widely accepted that lexicography is a scholarly discipline in its own right and not a sub-branch of applied linguistics, as the chief object of study in lexicography is the dictionary (see e.g. Bergenholtz/Nielsen/Tarp 2009). Lexicography is the practice of creating books, computer programs, or databases that reflect lexicographical work and are intended for public use. These include dictionaries and thesauri which are widely accessible resources that present various aspects of lexicology, such as spelling, pronunciation, and meaning. Lexicographers are tasked with defining simple words as well as figuring out how compound or complex words or words with many meanings can be clearly explained. They also make decisions regarding which words should be kept, added, or removed from a dictionary. They are responsible for arranging lexical material (usually alphabetically, but also sometimes more thematically, or with the use of indexing and other physical arrangements) all so as to facilitate an audience's understanding of the content and efficient navigation through it.
Etymology Coined in English in the 1670s, the word "lexicography" derives from the Greek λεξικογράφος (lexikographos), "lexicographer", from λεξικόν (lexicon), neut. of λεξικός lexikos, "of or for words", from λέξις (lexis), "speech", "word" (in turn from λέγω (lego), "to say", "to speak") and γράφω (grapho), "to scratch, to inscribe, to write".
Aspects Practical lexicographic work involves several activities, and the compilation of well-crafted dictionaries requires careful consideration of all or some of the following aspects:
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![Lexicography: Definition of Lexicographer, from the 1785 6th edition of Samuel Johnson's A Dictionary of the English Language. He wryly calls the occupation (and thus himself) a "harmless drudge."[10]](https://upload.wikimedia.org/wikipedia/commons/6/6e/Lexicographer_definition_A_Dictionary_of_the_English_Language_1785.png?utm_source=en.wikipedia.org&utm_campaign=parser&utm_content=thumbnail_unscaled)
