The Trade tab contains the following interfaces:
All Products: The primary basic trading layout for securities which includes stocks, exchange-traded funds (ETFs), options and futures products.
Forex Trader: An interface optimized specifically for forex trading.
Futures Trader: An interface optimized specifically for futures trading.
Pairs Trader: A permissioned by request feature designed for specialized trading of security pairs.
Active Trader: An interface for those who actively trade on an intraday basis.
Note that we also have a different set of video tutorials, each dedicated to a specific type of security to trade in thinkorswim: Trading How-Tos.