One key feature is the strong sense of place. Hardy's Wessex region is a central part of his novels. It gives a unique backdrop to the stories. Another is the complex social hierarchies. His characters are constantly dealing with class differences. For example, poor characters often struggle against the rich and powerful.
Hardy's novels present a world where nature plays a significant role. It can be a symbol of life and growth, but also of death and decay. The characters are deeply affected by the changing seasons and the natural landscape. Additionally, the moral and ethical dilemmas his characters face are a notable feature. They are constantly making choices that test their values in a society that has its own set of unwritten rules.