Explanation:
The Crown:Queen Elizabeth II, is the head of state of the United Kingdom.According to the uncodified constitution of the United Kingdom, the monarch has the following powers:Domestic powers
The power to dismiss and appoint a prime minister
The power to dismiss and appoint other ministers
The power to summon and prorogue Parliament
The power to grant or refuse Royal Assent to bills (making them valid and law)
The power to commission officers in the Armed Forces
The power to command the Armed Forces of the United Kingdom
The power to appoint members to the Queen's Counsel
The power to issue and withdraw passports
The power to grant prerogative of mercy (though capital punishment is abolished, this power is still used to change sentences)
The power to grant honours
The power to create corporations via Royal Charter
Foreign powers
The power to ratify and make treaties
The power to declare war and peace
The power to deploy the Armed Forces overseas
The power to recognize states
The power to credit and receive diplomats
Executive:Executive power in the United Kingdom is exercised by the Sovereign, Queen Elizabeth II, via Her Majesty's Government and the devolved national authorities - the Scottish Government, the Welsh Assembly Government and the Northern Ireland Executive.
The Prime Minister and the Cabinet
The Prime Minister is the most senior minister in the Cabinet. They are responsible for chairing Cabinet meetings, selecting Cabinet ministers
Government departments and the Civil Service
The Government of the United Kingdom contains a number of ministries known mainly, though not exclusively as departments, e.g., Department for Education. These are politically led by a Government Minister who is often a Secretary of State and member of the Cabinet.
