In the preface to his famous dictionary, Noah Webster described the "divine origin of" this entity, while in another essay, Webster described the "English corruption of" this entity. J.R.R. Tolkien described the construction of these in a lecture titled "The Secret Vice" and himself constructed multiple versions of these entities, the most famous of which was "Quenya," or "Elvish." Families of these include Indo-European, Turkic, Slavic and Romance. For 10 points, name these methods of communication which include Esperanto, Farsi, and of course, English.
A) Grammar
B) Alphabet
C) Writing System
D) Language