The Insights pane, powered by Bing, offers more than just definitions. By selecting a word or phrase and launching Smart Lookup, Bing can show you more information, definitions, history and other resources related to that word or phrase.
Select a word or phrase, right-click it, and choose Smart Lookup. The insights pane will open with definitions, Wikipedia articles, and top related searches from the web.
Note: If you are on a touch device, double-tap the word to select it and then tap Smart Lookup or .