If you want to add some information in your Word document, you don’t need to go to your browser and do searches. Insights is for this job. With this option you can add your entered information from online sources. WORD can extract needed information from encyclopedias, online sources and web searching and offer it to the user. “Smart Lookup” option is in the review tab. For example if you choose encyclopedia and click on “Smart Lookup”, the related panel will be appeared in the right side of the page and give you related information.