Part 1 of Essay
A fool can be defined in many meanings according to the Oxford English Dictionary On Historical Principles. The word could mean "a silly person", or "one who professionally counterfeits folly for the entertainment of others, a jester, clown" or "one who has little or no reason or intellect" or "one who is made to appear to ....

Part 2 of Essay
.... the action" in forming the confusion and the humor in an Elizabethan drama. In Twelfth Night, the clown and the fools are the ones who combine humor & wit to make the comedy work. Clowns, jesters, and Buffoons are usually regarded as fools. Their differences could be of how they dress, act or portrayed in society. A clown for example, "was understood to be a country bumpkin or 'cloun'". In Elizabethan usage, the word 'clown' is ambiguous "meaning both countryman and principal comedian". Another meaning given to ....