The term 'Golden Period' is often used to refer to a time of great success or prosperity. This term can be broken down into two crossword solutions: 'HEYDAY' (6 letters) and 'AGE' (3 letters). HEYDAY is defined as a period of great success or prosperity, while AGE is defined as a period of time in history or a person's life. Together, these two words form the phrase 'Golden Period, ' which is used to describe a time of great success or prosperity.