What are the purposes of a prologue in a play?
to provide information about the inner thoughts and feelings of a character
to set the mood and tone of the play and provide background information
to provide information about how the stage should be set and what props are needed
to give some insight into the relationships among different characters
to provide a hint to the audience about what will happen later in the play

The correct answer is: To give insight into the relationships among different characters to provide a hint to the audience about what will happen later in the play.

The prologue is an opening segment that gives the audience a short story, connected with the play, before the story itself, it's used to introduce the characters, to give information about their role or to stablish the setting giving background details.  It tells the audience what to expect in the play, in this way they won't be confused as the events take place. Euripides was it's inventor, he used it to make the upcoming events comprehensive to the audience.  

the difference between an explicit and implicit meaning is that the explicit meaning of a poem is that the detail is exactly defined. nothing is left to interpretation. an implicit meaning is an implied meaning. kabir's poetry is both explicit and implicit in that it can be interpreted on different levels. the explicit meaning leaves nothing to interpretation while the implicit meaning leaves lots open to interpretation. an example of this is found in the poem "rumi and the spiritual lover". 

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