Animal Farm And in many ways the animal method of doing things was more efficient and saved labour. Such jobs as weeding, for instance, could be done with a thoroughness impossible to human beings. And again, since no animal now stole, it was unnecessary to fence off pasture from arable land, which saved a lot of labour on the upkeep of hedges and gates. Nevertheless, as the summer wore on, various unforeseen shortages began to make them selves felt.

arable : fertile :: clouded : vague

In at least one hundred words, how does the analogy help the reader to understand the meaning of the word arable in this excerpt?