This is the 5849th most frequent Chinese word.
國泰
"國泰" means "national prosperity."
In this context, '國泰民安' is an idiomatic expression meaning a nation in peace and prosperity, often used to describe an ideal sociopolitical condition.
國泰民安是每個人都期望的社會狀態。
A peaceful and prosperous nation is a societal state everyone hopes for.
Here, '國泰' refers to 'Cathay', which is used as part of the proper noun Cathay Pacific, indicating the company name.
國泰航空公司是一家知名的航空企業。
Cathay Pacific Airways is a renowned aviation company.
In this example, '國泰' again refers to 'Cathay Pacific', used in a possessive manner to denote the headquarters of the company.