Yi: The original meaning of this word is comfortable and happy, which means the common idiom "relaxed and happy".
Explanations in Shuo Wen Jie Zi: he ye. From the heart.
Foreign countries: numerous; Vast and grand; Always refers to the center of the sea. Also refers to the sea area.
Shuo Wen Jie Zi explains the cloud: water. Out of Linqu Mountain, the northeast position is great. From the sound of the water sheep.
The implication is: "the ocean will make people feel relaxed and happy."