Hello. You did not inform the poem to which this question refers, which makes it impossible for it to be answered accurately. However, I will try to help you in the best possible way.
The use of similes and metaphors in a poem is done with the objective of extending the meaning of the message that the poet wants to pass through the poem, therefore, the poet writes comparisons that present new and deeper and more imposing meanings.
The answer is surveying. Surveying over or arrive studying is the procedure, calling, and investigation of deciding the earthbound or three-dimensional position of focuses and the separations and points between them. A land reviewing proficient is known as a land surveyor.
Theseus' actions most advance the development of the plot.