Complaints are expressions of dissatisfaction or grievances about a product, service, or experience. They can be made by individuals or groups when they feel that their expectations have not been met. Complaints can occur in various settings, such as customer service, workplaces, or public services, and are often aimed at seeking resolution or improvement. In many cases, complaints serve as valuable feedback for businesses and organizations. By addressing complaints, companies like Amazon or Starbucks can enhance their offerings and customer satisfaction. Additionally, complaints can help identify systemic issues that need attention, ultimately leading to better experiences for everyone involved.