Professional practice is a multidisciplinary field of research and an academic concept that systematically investigates the situated activities, decision-making processes, and interactions undertaken by individuals operating within specific professional domains. It examines how theoretical knowledge is applied, expertise is developed and utilised, ethical considerations are navigated, and work is shaped by complex organisational, social, and regulatory contexts. Key characteristics include its focus on the dynamic interplay between individual agency and systemic factors, the integration of diverse knowledge forms, and the challenges of addressing ill-defined problems, holding significant importance for informing professional education, enhancing service quality, and understanding the nature of expertise and work in contemporary society.