The Overview screen is where you can view overall stats of your current gangster.

Overview

This area shows your gangster's general stats, most are self-explanatory.

Some stats have more in-depth data available:

Bullets sources: Press the pie chart icon next to your bullet count to see the break down of where you've acquired your bullets. This excludes Trade Center, RPS and Horse Racing currently.
Bullets history: Press the history icon next to your bullet count to see a graph of your bullet count over time and the amount gained each day.
XP sources: Press the pie chart icon next to your XP to see the break down of where you've earned your XP. The table tab of this window splits your XP into "Earned" and "Bonus" XP, where the latter is XP gained through modifiers such as Double XP.
XP history: Press the history icon next to your XP to see a graph of your XP over time and the amount gained each day.
Level history: Press the history icon next to your level to see the timings for each level you've achieved.

Speedrun

This is the time you've taken to ascend from Level 1 to Level 50. If you've not reached Level 50, the time taken so far is shown.

You're disqualified from a Speedrun if you claim a level boost from Life Insurance.

Your best speedrun is shown on the Career screen.

Stamina is an anti-cheating measure designed as one of several measures to help protect the game against automation and account sharing.

Over 99% of players are unaffected by stamina, however you can read more about the measure here.

This tab shows the accolades you've earned for completing various tasks on your current gangster.

These accolade also show on your public profile.

You can find details about each accolade here.

This tab shows your history, both in the current round and previous rounds.

You can toggle whether each gangster is shown publicly (on your current profile) or kept private.

At the bottom of the screen, there are buttons to toggle all gangsters at once.