This page will provide you an at-a-glance view of the game key indicators such as:
Gold: Amount mined, storage capacity, and current ratio.
Crystal: Amount mined, storage capacity, and current ratio.
Quantum: Amount gathered.
Current Score/Your Highscore: The score of your current match, and the score of your best match.
Village Log: The history of your battles and trades.
Vault: The amount of resources currently stored in your Vault (if built).
On the top bar you'll also see other important indicators including the time left on the session and your current ELO score.