Question 01: What does the balance of a trading account show?

Question 02: How will the balance of the trading account change if all profitable trades are closed?

Question 03: If a trader has an open trade with a profit of 100 dollars and he deposits another 100, how will his balance change?

Question 04: If a trader has an open trade with a profit of 100 dollars and he deposits another 100, how will his equity change?