What is a theme/template?
Basically, template is a collection of settings which allow you to define the look of pages in your GrandNode. Templates are made of a set of elements: skins, cascading style sheets (CSS), images, videos and other resources.
Definition of a GrandNode theme
GrandNode Theme is basically used for having a consistent layout and appearance of store. GrandNode supports several files, including style sheets for page appearance and supporting images.
Location of theme(s) in GrandNode: All themes are located under GrandNode root folder/Themes/