This is our company's Jira about page:

Now, obviously I can see Jira Software and Jira Service Desk.
And also, our tabs icon is the one used for Jira Core:

You can see here the icon of each Jira product:

So are we using Jira Core, Jira Software and Jira Service Desk - all of these products at the same time? Also, are we using Cloud or Server?