A motion of no confidence is a statement or vote that a person or persons in a position of responsibility is no longer deemed fit to hold that position: perhaps because they are inadequate in some respect, are failing to carry out obligations, or are making decisions that other members feel are detrimental.
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As a parliamentary motion, it demonstrates to the head of state that the elected parliament no longer has confidence in the appointed government.
A head of state or Chief of State is the highest-ranking position in a sovereign state and is vested with powers to act as the chief public representative of that state.
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Depending on the constitution of the body concerned, "No Confidence" may lead to compulsory resignation of the council of ministers or other position-holder, whereas "Censure" is meant to show disapproval and does not result in the resignation of ministers.
"Council of Ministers" is the name given to the supreme executive organ in some governments.
The censure motion can be against an individual minister or a group of ministers, but the no-confidence motion is directed against the entire cabinet.
Again, depending on the applicable rules, censure motions may need to state the reasons for the motion while no-confidence motions may not require reasons to be specified.