This poem is an example of an extended metaphor.
A metaphor is a comparison between two things that are not alike. In this case, a road and life are being compared. In this extended metaphor, the speaker never actually makes a direct comparison between life and the road. In other words, he does not say life is a road. Yet the entire poem implies it.
Two roads diverged in a wood, and I--
I took...
It helps us build opinions and have points of view on things in life. Without knowledge, one cannot be successful in life. To grow in one's career, gaining as much knowledge as possible is important.
A set of three hierarchical models used to classify educational learning objectives into levels of complexity and specificity
<span>"The long and meticulous study and debate" since everything else is just serving as details to it.</span>