USA HISTORY

Detailed explanation-1: -A frontier represents uncharted territory. It could be a remote piece of land or a new field of study, but if someone calls it “the frontier, ” you are challenged to explore it. The noun frontier has several meanings.

Detailed explanation-2: -Uncharted waters or uncharted territory can refer literally to places not yet explored, but it can also be used figuratively to refer to unfamiliar situations in general. Sometimes unchartered is used mistakenly when people see charter and think of the contractual agreement to lease something, such as a boat.

Detailed explanation-3: -Synonyms: Mysteries, riddles and unknown things or people. mystery. riddle. uncertainty.

Detailed explanation-4: -Synonyms. unexplored. unknown. a perilous expedition, through unknown terrain. undiscovered.

Detailed explanation-5: -We are stepping on to uncharted territory which is still the subject of much discussion. We are not blazing a trail through uncharted territory. The difficulty here is that we are moving in uncharted territory. The proposals are not the first foray into what might be called uncharted territory.