What is syntax?

The correct choice highlights that syntax refers to the arrangement of words and phrases to create well-formed sentences in a language. It involves the rules and principles that govern sentence structure, determining how different parts of speech (like nouns, verbs, adjectives, etc.) are combined to convey meaning effectively. Understanding syntax is crucial in both language acquisition and instruction, as it impacts not only comprehension but also the ability to express ideas clearly and accurately in both oral and written communication.

The other choices do not accurately capture the definition of syntax. While the meaning of individual words pertains to semantics or vocabulary, and visual representations of ideas could relate to other forms of communication, these do not address sentence structure. Lastly, context relates to the circumstances or environment in which language is used but is not synonymous with the grammatical order governing sentence formation.