The Member of Parliament 

deals with:

Westminster and UK Central Government matters, including:- Benefits, Child Support, Social Security, National Insurance, Pensions, Revenue & Customs, Defence & National Security, The Economy, Employment Legislation, Energy, Equal Opportunities, Foreign Office, Immigration, Inland Revenue, Income Tax, Taxation, International Development, Broadcasting, Telecommunications and Post Office.

Members of the Scottish Parliament 

deal with:

Scottish Parliament responsibilities, including: 
Economic Development, Education, Environment, Health, 
Housing, Law and Order, Legal Aid, Local Government, Scottish Homes, Scottish Transport and Highways, Social Work, Sport and the Arts.

Local Councillors 

deal with:

All Council matters, including:  
Cleansing, Council Tax, Education, Environmental Health, Fire, Highways, Housing, Libraries, Parks, Planning, Police, 
Social Work, Street Lighting and Transport.