Before starting to create a new theme, first you need to know the file and folder structure of the default theme. The OpenCart directory consists of mainly two interface styles: one is the frontend, and the other is admin. The frontend style is represented by the top level of the OpenCart installation folder named
catalog, and the admin folder is
admin. There are many other folders, such as the
system folder, which contains classes and methods used by both the admin and the catalog.
system folder consists of a
library folder, which consists of many classes and method files such as
affiliate, and more. The
cache folder contains cache files. The
database folder consists of ...