Question

what is another word for the basic set of rules that people need to follow in order to effectively communicate? spelling diction grammar conjugation

Explanation:

To solve this, we analyze each option:

• "Spelling" refers to the correct way to write words, not the basic rules for communication.
• "Diction" is about word choice, not the structural rules of communication.
• "Grammar" is defined as the basic set of rules (about syntax, morphology, etc.) that people follow to communicate effectively in a language.
• "Conjugation" is a part of grammar related to verb forms, not the overall set of rules for communication.

Answer:

C. grammar