Sentence:  Finally, there are many who limit the parts of speech to the <WSD>noun</WSD>, the verb, and the particle; referring to the first, the substantive, the adjective, and the pronoun (including the article), to the second the participle, to the third the remainder. 
Meaning of the word marked with <WSD> tags:  Either a word that can be used to refer to a person, animal, place, thing, phenomenon, substance, quality or idea, or a word that modifies or describes a previous word or its referent; a substantive or adjective, sometimes also including other parts of speech such as numeral or pronoun.