The Executions View is very similar to the orders view, except that this is a quick way to only show filled execution types.
Symbol - Filter all or a subset of symbols to be displayed in the Orders tab.
Connection - Filter all or a subset of connections. Each user log in is considered a connection.
Account - Filter all or a subset of accounts. Each log in can have multiple accounts.
Action - This is the action on the trade, e.g. Buy or Sell.
Type - The type refers to the type of order, e.g. Market, Limit or Stop.
Side - The side refers to whether the position is long or short
Trader - Each account can have multiple traders. This can be viewed here.
Duration - The duration of the trade can be filtered here. The duration refers to the expiration set on the order.