To find Extensions/Plugins in your site:
From the Administrative Control Panel, the top menu choose Extensions
In the dropdown, choose PlugIns
Note the list of plugins on the right. List all that have a green check/enabled.
If possible, take a screenshot of the list.
To find a list of Components included in on your site:
From the top menu in the Administrative Control Panel choose Components.
A dropdown will be displayed. Please list these.