The Trades panel is used to track trading histories.
To open the Trades panel select Terminal > Trades.

You will not see any positions here, but just trade operations.
Use the Data Coverage drop-down menu to see more data and go deeper into the history.
For each trade, the following information is available:
Trade ID - identifier of trade
Order ID - identifier of the order. In case of open position, Order ID coincide with Position Number in Positions panel and Order Number in Order Book panel. In case of position closing, it coincide with Order Number in Order Book panel.
Instrument - shows you the trading instrument the trade has been made with
Account - account name
Action - trade action (Buy/Sell)
Amount - amount of trade
Price - shows the price at which the sale fills
Commission - commission of trade
Realised profit/loss - profit/loss of the trade in account currency
Time - last update time
External ID - identifier of trade on external route
Login - login of the user
Route- liquidity provider for trading