If I understand you correctly you speak of the content blocks under the Content section? If you items under the content block section and share them on pages, you can edit the titles, which will reflect on the pages as well. Please correct me if I am wrong.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items