Hi everyone. Could someone please explain the differences betweent he following portfolio properties? I am having trouble seeing what all of these could mean for someone who trades stocks only. Thank you!

// Popular Portfolio Property Values:
self.Portfolio.Cash # Sum of all currencies in account (only settled cash)
.UnsettledCash # Sum of all currencies in account (only unsettled cash)
.TotalFees # Fees incurred since backtest start
.TotalHoldingsValue # Absolute sum portfolio items
.MarginRemaining # Remaining margin on the account
.TotalMarginUsed # Sum of margin used across all securities
.TotalPortfolioValue # Portfolio equity
.TotalProfit # Sum of all gross profit
.TotalUnrealizedProfit # Holdings profit/loss