Apparent easement

What does Apparent easement mean in American Law?

The definition of Apparent easement in the law of the United States, as defined by the lexicographer Arthur Leff in his legal dictionary is:

An obvious, easily seen or otherwise ascertainable easement, e.g., a beaten path through another’s property; to be distinguished from, e.g., an easement of quiet, i.e., an invisible right not to have one’s neighbor make noise.