Outer Container is the main container which respresents the whole slider, it contains Slides Container.
In addition, user can insert Bullet Navigator, Arrow Navigator, Thumbnail Navigator and Loading Screen into Outer Container if necessary.
By default, the final display size of the slider will be the size of Outer Container size. The final display size also depends on the 'Responsive' option. See Keep Slider Responsive.
See Also layout - slider maker help