- Grammar (linguistics) : The structural rules that govern the composition of sentences, phrases, and words in any language; alternatively, the system of language itself, i.e. the principles common to all languages.
- Grammatical number : Grammatical category of nouns, pronouns, and adjective and verb agreement that expresses count distinctions (such as "one" or "more than one").
- English grammar : The body of rules describing the properties of the English language.
- Natural language : A communication system based on sequences of acoustic, visual or tactile symbols that serve as units of meaning.
- Noun : Linguistic item with grammatical properties such as countability, case, gender and number; has a distinct syntactic function (e.g. acting as subject or object in a clause), and used to name a person, place, thing, quality, or action.
- Pidgin : Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Pidgin (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
- Speech : Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Speech (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
- Verb : A word in the structure of written and spoken languages that generally defines action.
- Voicing (linguistics) : Either the physical production of vibration by the vocal folds as part of articulation, or the potential phonological distinction this allows, i.e. the distinct difference between units such as [b] and [p] in many languages.
- Word (language) : A unit of language, often regarded as 'minimally distinctive' and used to build larger structures such as phrases; languages vary in how distinctive word units are and how much they may be modified.
- Modifier : Add brief definition or description