Sentence examples for under one from inspiring English sources

"under one" is a valid phrase and can be used in written English.
It can be used as a prepositional phrase to indicate a state of being or position. One example of its use is in the sentence: "The agreement falls under one of the designated categories." In this sentence, "under one" is used to specify which category the agreement falls under. Another example is: "The issue falls under one of the company's policies." Here, "under one" is used to indicate that the issue is covered by one of the company's policies.