How to determine in joomla where is the html of the module?

Question

CMS

Hello, the module is included in the index file with the following code:
<jdoc:include type="modules" name="user4" />
How to find the HTML code of this module?
in the modules folder there is no folder named mod_user4
Where should I look for it?
thank.

Answer 1

user4 - This is the name of the position, see in the admin panel which modules are published in this position.