Etiquette refers to a code of behavior that delineates social expectations within a society or group. Business etiquette focuses on building relationships and making others feel comfortable. Following good etiquette in the office, such as being respectful, punctual, and controlling interruptions, helps enable confidence and smooth interactions, which can lead to promotions. However, etiquette differs in various regions and countries, so it is important to focus on key pillars such as appearance, communication, and appropriate email practices.