The woods are the primary setting of the poem, as the speaker recounts having come across two roads while on a walk. The setting is signifiant because it is both isolating—the speaker is clearly alone—and natural. Therefore, the central theme of the poem (choice) is explored through a setting in which the speaker is removed from other human influence. This is a marked contrast to the way the speaker thinks, however, as he attempts to apply human reason to the natural world: there are two paths, and he cannot decide which one is "best." In reality, and as the final stanza suggests, there is no "best" direction. Instead, there is only the choice to be made. The woods therefore provide a setting in which humanity confronts nature, and allows Frost to generate the ironic tone of the poem by dramatizing the agony of human...