You are free to customize the modules and it’s template according to the requirement. Here it explained the modules hierarchical organizational structure for better understanding:
Application_Main_Directory | |___application | |___modules | |___Name Of Module | |___config [Corresponding Module’s config] | |___controllers | |___forms [Corresponding Module’s forms] | |___images [Corresponding Module’s Images] | |___languages | |___layouts [Editable Module's Layout] | |___filters | |___helpers | |___scripts | |___partial | |___layout.phtml | |___....phtml | |___models | |___services | |___views | |___helpers | |___scripts [Editable Module's Templates] | |___index | |___backend [Admin view able templates] | |___frontend [public view able templates] | |___other..... | |___so on........ | |___Bootstrap.php
According to the modules hierarchical organizational structure shown above, go to <$DocumentRoot>/application/modules/<$ModuleName>/layouts/scripts/ and open the relevant .phtml file you want to modify. By default index.phtml represents the 1st default page to call . The sub-directory "/partial" contents the related designed block use to render the dynamic data model of respective modules.
According to the modules hierarchical organizational structure shown above, in order to change content area of a module open <$DocumentRoot>/application/modules/<$ModuleName>/views/scripts/ and edit the relevant sub-directory's .phtml file you want to modify. By default index/index.phtml represents the 1st default page to call . The sub-directories contents the related template designed use to render the dynamic data model of respective modules.
Finally to edit module template and layout, please login as administration area :
See the image below :
As shown above, you can navigate to the required files to modify according to the modules hierarchical organizational structure explained on of the page.