Business etiquette refers to appropriate behavior and conventions in professional settings. It governs interactions between colleagues, managers, and clients. Maintaining good business etiquette is important for career success as it makes a positive first impression and strengthens relationships. Key aspects of business etiquette include proper phone etiquette, such as answering promptly, speaking clearly, and returning calls in a timely manner. Business etiquette also applies to in-person interactions, attire, communication styles, and conflict resolution. Mastering basic business etiquette can help individuals progress in their careers.