Change Names Of Icons And Titles
Using Jamroom
Probably you're looking for the language strings.
Docs: "Translate Jamroom into another language"
https://www.jamroom.net/the-jamroom-network/documentation/jamroom-admin-handbook/541/translate-jamroom-into-another-language
Each of the language strings can be changed in the ACP (Admin Control Panel)
Docs: "Admin Control Panel (ACP)"
https://www.jamroom.net/the-jamroom-network/documentation/jamroom-admin-handbook/3067/admin-control-panel-acp
Update the string your interested in, then reset the caches.
Docs: "Somethings wrong what do I do: Reset the cache"
https://www.jamroom.net/the-jamroom-network/documentation/troubleshooting/114/somethings-wrong-what-do-i-do#reset-the-caches