A Batch. generally in a BATch file.
it is called the submenu
Sort of. It is often a group of icons related to a specific task.
a list of additional commands is a sub-menu
That's called the menu bar.
The menu bar contains a list of commands.
there is no list persay but help in the consel (press ~ key) should give you commands but for a list of commands and what they do just google css consel commands
They are commands. If you put a list of commands together to carry out a more detailed task, the list of commands are referred to as a program.
It is a list of commands, called a short-cut menu.
sort and filter
sub-commands
Just search on the internet for full list of keyboard commands