Applied_And_Institutional_Study encompasses sociological domains that examine major social institutions and organised collective activities that structure contemporary social life. These fields analyse how formal and informal institutions shape social behaviour, distribute resources and power, and respond to social challenges and changes. The domain emphasises the intersection between institutional structures and social action, examining how organisations, movements, and institutional arrangements both constrain and enable human agency. These studies contribute to understanding how societies organise themselves around fundamental challenges such as governance, health, communication, environmental sustainability, and social change. They bridge academic sociology with practical applications, often informing policy development and institutional reform. The domain recognises that modern societies are characterised by complex institutional arrangements that require specialised analytical attention. These fields collectively examine how institutions mediate between individual experience and broader social structures, analysing the dynamics of institutional change, the relationship between formal and informal institutional arrangements, and the ways institutions both reproduce and transform social relationships and power structures in contemporary societies.