This document defines and provides examples of noun phrases, simple sentences, clauses, and the difference between using "tidak" and "bukan" in Indonesian sentences. It states that a noun phrase contains a noun and other words that modify it, and that a simple sentence consists of a single independent clause containing a subject and predicate. It also explains that clauses can be independent or dependent, and provides examples of clause types. Finally, it outlines that "bukan" is used when the predicate is a noun or noun phrase, while "tidak" is used with verb, adjective, or adverb predicates.