NDPB stands for Non-Departmental Public Body and it refers to organizations that operate at arm's length from government departments but are funded by them. Some synonyms for NDPB include quango (quasi-autonomous non-governmental organization), public corporation, public authority, and executive agency. Quangos are typically established to carry out specific functions on behalf of the government and can take a variety of forms - they can be public companies, voluntary organizations, or private sector bodies. Public corporations are entities owned by the government and established to provide public services, such as the BBC or Royal Mail in the UK. Public authorities are agencies that oversee and regulate specific sectors, such as the Financial Conduct Authority. Executive agencies are parts of government departments responsible for delivering specific public services.