How to check the balance in Steemit and what do some of the items mean ?!

How to check the balance in Steemit  and what do some of the items mean ?! 

1) Find the window WALLET - purse, balance. 

2) STEEM is the crypto currency itself after the conversion of liquid StimDollar. Can be sold or exchanged at any time. 

3) Steem Power is the power of the voice of your account. The more its value, the more you can allocate StimDollar to another person. Not sold and exchanged. 

4) Steem Dollars - liquid StimDollar. This is what you get initially for your posts. It is also a crypto currency, but less valuable than STEEM itself. To be deduced on exchangers only in 3 days. You can also sell it in the domestic market instantly or wait for the conversion to STEEM 3.5 days. 

5) Estimated Account Value - the total cost of the account. Just to evaluate your account. 

6) HISTORY - the transaction history in the Steem. It is visible to all users.