Research area expansion involves broadening the scope of a particular field of study by incorporating new topics, methodologies, or perspectives. This can involve exploring new research questions, incorporating interdisciplinary approaches, or adapting existing theoretical frameworks to better understand complex phenomena. Research area expansion is important for staying current with emerging trends, addressing new challenges, and advancing knowledge in a particular field. By expanding the scope of a research area, scholars can generate new insights, identify novel connections, and contribute to the overall growth and development of their discipline.