Expressing sympathy is an important part of showing compassion and understanding for someone who is going through a difficult time. It can be done in many ways, such as commiserating, sympathizing, and condoling. Commiserating involves expressing sorrow or sympathy for someone's misfortune. Sympathising is feeling or expressing compassion or sorrow for someone else's suffering. Condoling is expressing sympathy or sorrow for someone's loss or misfortune. All of these actions are important for showing support and understanding for someone in need.