The document outlines several criteria for effective communication, including the proper use of words, clarity, conciseness, continuity, correctness, commonness, credibility, and completeness. It emphasizes selecting the right words and phrases for the audience and organizing them clearly. It also discusses the importance of the 7 C's of communication - clarity, conciseness, continuity, correctness, commonness, credibility, and completeness. Additional tips provided include maintaining flow between sentences and paragraphs, using language the audience can understand, fact-checking for correctness, understanding the audience's perspective, and establishing credibility through sources and examples. Body language and an engaging delivery style are also highlighted as important for effective oral communication.