There are 7 C's of effective communication: completeness, conciseness, consideration, clarity, concreteness, courtesy, and correctness. Completeness means conveying all necessary information to the audience. Conciseness communicates the intended message using as few words as possible. Consideration involves understanding the audience's perspective and modifying the message for their needs. Clarity focuses on one specific message at a time for easier understanding. Concreteness supports the message with specific facts and details rather than general statements. Courtesy shows respect for the audience through a polite, unbiased tone. Correctness ensures no grammatical errors so the message has greater impact and boosts confidence. Mastering these 7 C's makes one an effective communicator