What is the common denominator to all the stories about the people who meet at Gatsby and rsquos parties?

The common denominator in the stories of those who attend Gatsby's parties is their fascination with wealth, status, and the allure of the extravagant lifestyle that Gatsby represents. Many of these characters are drawn to the glamour and opulence of Gatsby's world, yet they are also envious and judgmental of each other, creating a complex social dynamic at the parties.