How do the images of travel in part 46 of “song of myself” contribute to the poems theme

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

25 ! which three lines in this excerpt from phillis wheatley's poem "goliath of gath" contain examples of figurative language? the hosts on two opposing mountains stood, thick as the foliage of the waving wood; between them an extensive valley lay, o'er which the gleaming armour pour'd the day, when from the camp of the philistine foes, dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

While studying, lana reached her goal of reading half a chapter without interruptions. what should she do next?