What are the various markings of the upper class in the Great Gatsby? What distinguishes it from the other classes?

The upper class in The Great Gatsby is represented by the typical trappings of wealth: fancy cars, lavish parties, and plenty of alcohol.

Explanation:

The upper class, have big mansions and a seemingly endless supply of money. They come from both old money and, like Gatsby, new money. They tend to drink a lot and spend a lot of time at leisure. They tend to have very superficial and entitled views of the world.

that's conceptually impossible.

if i wrote it, it wouldn't be a 'shakespeare' sonnet.

faithful servants eumaeus and philaetius:

his ragged vest then drawn aside disclosed the sign conspicuous, and the scar exposed: eager they view'd, with joy they stood amazed with tearful eyes o'er all their master gazed:

these servants know ulysses by the scar he got when he was a child - so when he showed them the mark, they immediately knew this is truly their master and they hugged him, finally starting to believe his words.