2. Differences
Human language dualitபைடு நூலகம் (双重性) structure of sounds & meanings productivity (创造性)
a speaker’s ability to string together discrete units to form an infinite set of “well-formed” novel sentences displacement (位移性) refer to things which are not present; real or imagined in the past, present, future, in far away places interchangeability (替换性) both a producer and a receiver, all
King’s English—Supposedly correct or standard English (Especially British English) as to grammar and pronunciation. Or Queen’s English
RP—Received Pronunciation
--symbolic: words are associated with objects, actions and ideas by conventions.
--vocal: the primary medium is sound for all languages, no matter how well developed are their writing systems.
--system: elements are arranged according to certain rules, can be learned and used consistently.