Weaver Xtreme Includes many different Widget Areas which are found in Appearance > Widgets.

This Tutorial explains the various methods available to create Responsive and Adaptive Layouts for multiple widgets inside these Widget Areas.

After reading about Widget Areas in this article, make sure to also read the Article on the X-Plus Flex Columns Widget tool below.
https://guide.weavertheme.com/x-plus-flex-widget-usage-and-customizations/