Syntactic structures refer to the arrangement of words and phrases in a sentence to create meaningful communication. This field of research in linguistics examines the rules and principles that govern how words are combined to form sentences in different languages. Syntactic structures seek to understand how the order of words and phrases affects the meaning of a sentence and how different linguistic structures can convey different levels of complexity and nuance. Researchers in this area often analyze sentence structures, grammar rules, and syntactic patterns to uncover the underlying principles that guide language production and comprehension.