A word that tells a place or direction to go is called what

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

How will charlie most likely change after his experience at the diner in part 2 of "flowers for algernon"? he should be kind to each person who crosses his path. he will be more sympathetic to those who are similar to the way he once was. he will attempt to the dishwasher receive the surgery he was given. he will react the same way each time he sees someone being treated unfairly.

"introduction to oedipus the king": what is most likely the author's intent in writing about the difference(s) between sophocles's play and the original myth on which it's based?