Answer
Total profit is increment + fluctuations and is grid profit it the fluctuations only and unrealized profit is increment only so you add them thats the total profit that you see
The grid profit is the profit of the bot from buying low and selling high and unrealized profit is from the price of the coin if it goes up or down
The grid profit is profit from buying low and selling high due to price fluctuations
But thats it you add the grid profit and unrealized profit that is the total profit