A more thorough explanation:

Term: intra quattuor maria
Definition: Within the four seas.
Examples: The phrase "intra quattuor maria" is often used to refer to something that exists or happens within a specific region or area. For example, if someone says "this tradition has been passed down for generations within the four seas," they mean that the tradition has been kept alive within a certain geographic area. Another example could be "the company has expanded its business within the four seas," meaning that the company has grown within a specific region. The phrase is often used in a poetic or literary context to evoke a sense of grandeur or mystery.