"Semana" is the Spanish word for "week," which refers to a period of seven days. It is commonly used in various contexts, including calendars, schedules, and cultural events. The week typically starts on Monday in many countries, while in others, it may begin on Sunday. In many cultures, the week is divided into workdays and weekends. For example, Monday to Friday are often considered workdays, while Saturday and Sunday are reserved for rest and leisure activities. The concept of a week is essential for organizing time and planning events in daily life.