Here's a breakdown:
* Diction: The choice and use of words in speech or writing. Prescriptive grammar dictates which words are considered "correct" and "proper" in a given context.
* Grammar: The system of rules that governs the structure of a language. Prescriptive grammar sets forth the rules for how words are combined to form sentences, phrases, and clauses.
Prescriptive grammar aims to establish a standard form of language, often focusing on written language and formal communication. It emphasizes correctness and adherence to established rules.
However, it's important to note that:
* Descriptive grammar focuses on describing how language is actually used, regardless of prescriptive rules. It analyzes the patterns and variations that occur in real-world communication.
* Language is constantly evolving, and what is considered "correct" today might be different tomorrow.
So, while prescriptive grammar provides a foundation for clear and effective communication, it's also important to be aware of the dynamic nature of language and the role of descriptive grammar in understanding its nuances.