Money

Money is a feature on Roblox that tells the player what the player purchased, earned tickets/robux, or the Trading System.

My Transactions
This feature allows the player to see what they have purchased. This view can be switched on the top left of the purchase view. One view is the "Purchases" which shows what the player bought. Another view is Sales, which what other players bought from you, such as limited items, shirts, or pants. The last view is Commissions, which is what other players buy Gear Passes from you. The history of the transactions made can be seen in "History" at the bottom of the page.

Summary
This feature shows the player how much robux/tickets has been earned. This can also be switchable from past day, past week, past month, or past year.

Trade Currency
See here for details

Trade Items
See here for details

Trivia:

 * On the top right, there is also a button called "Buy Robux", which it is the central location if a player wants to buy robux.