The static view files deployment command enables you to write static files to the Magento file system when the Magento software is set for
The term static view file refers to the following:
“Static” means it can be cached for a site (that is, the file is not dynamically generated). Examples include images and CSS generated from LESS.
“View” refers to presentation layer (from MVC).
By default, the static content deployment tool can be run only in production mode.
-f option is used to deploy files in any mode forcefully.