This link takes you to in-game messaging. It will read "New Mail!" if you have unread messages.
Turns
The number of turns available for your use. See the Introduction and look under the Turn Use section of the game guide for information on turns and how to use them.
Money
The amount of cash on hand you have, not including your bank account, stock market investments, or clan treasury deposits. If you are losing money it will be colored yellow and if you are gaining money it will be colored green. If you are losing money and only have enough for ten turns or less, it will be colored red.
Land
The amount of land your empire contains. If you have have more land than the average of all players, it will be colored green.
Scrolls
The amount of scrolls your spies have available for use in missions.
Food
The amount of food you have. If you are losing food it will be colored yellow and if you are food money it will be colored green. If you are losing food and only have enough for ten turns or less, it will be colored red.
Health
Your people's (civilians, troops, and hawks) health. Health affects your attack and defense strength along with your income. If your health is over 75%, it will be colored green. If it is colored red, then your empire health is at a critical level and you should spend some turns healing.