Effective communication is essential for leaders, involving both speaking and listening skills to enhance trust, solve conflicts, and make decisions. It encompasses the 7C's—completeness, conciseness, consideration, clarity, concreteness, courtesy, and correctness—and is a shared responsibility within an organization rather than solely the duty of communication functions. Leaders must exhibit active listening, interpersonal engagement, and clarity when articulating their vision to empower their teams and create a secure environment.