1. Lexicography

TERMINS	ETIMOLOGY	DEFINITION
1. Lexicography	Coined in English 1680, the word "lexicography" derives from the Greek λεξικογράφος lexikographos, "lexicographer",^[3] from λεξικόν lexicon, neut. of λεξικός lexikos, "of or for words",^[4] from λέξις lexis, "speech", "word",^[5] (in turn from λέγω lego, "to say", "to speak"^[6]) and γράφω grapho, "to scratch, to inscribe, to write"	1.the editing or making of a dictionary 2: the principles and practices of dictionary making
2.Phonetics	borrowed from New Latin phōnēticus "(of written characters) representing speech sounds rather than ideas," borrowed from Greek phōnētikós "of speech, endowed with speech," from phōnē-, variant stem of phōnéō, phoneîn "to speak, utter " (derivative of phōnḗ "sound made by something living, voice, speech, utterance") + -t-, verbal adjective formative + -ikos -IC entry 1 — more at PHONO-	Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign.
3.Semantics	Semantics (from Ancient Greek: σημαντικός sēmantikós, "significant")^[a][1] is the study of reference, meaning, or truth.	the study of meanings: a: the historical and psychological study and the classification of changes in the signification of words or forms viewed as factors in linguistic development
4.Sociolinguistics	The social aspects of language were in the modern sense first studied by Indian and Japanese linguists in the 1930s, and also by Louis Gauchat in Switzerland in the early 1900s, but none received much attention in the West until much later. The study of the social motivation of language change, on the other hand, has its foundation in the wave model of the late 19th century. The first attested use of the term sociolinguistics was by Thomas Callan Hodson in the title of his 1939 article "Sociolinguistics in India" .