Which lets you change keywords, campaigns, ads, ad groups, and product groups?
Category editor
Bulk edits
Campaign editor
Revision tool
Explanation:
“Bulk editing” means editing more than one thing in your account at a time. Using bulk editing helps you save time by simultaneously updating multiple items in one campaign, or across multiple campaigns. AdWords offers various tools and features to help you make bulk edits to your account. The editing options available depend on which tool or feature you use.
https://www.youtube.com/watch?v=ZrNZvgGvxyk