What does it mean in the first sentence when it says negative effects can be overlooked?

This excerpt is repeated several times. what effect does this repetition have on the epic

Whats the importance of gaining a general understanding of and interpretation of the work of literature. explain what the importance is to me

Using context clues read the sentence, then use context clues to determine the definition of parameters. setting clear parameters, such as rules, guidelines, or instructions, people understand what is expected of them. what is the definition of parameters? which type of context clue is used in the sentence?