The following article talks about how Google Ads allows users in order to make campaign changes from the 'Overview Page'. This is a recent update from Google regarding the Overview page. 

Through the overview page users can now view their account and also the campaign performance. Earlier users were only allowed to consider making changes to their account. 

Some of the changes that can be made from the Overview Page include the following:
1. You can pause or unpause campaigns, ad groups and keywords
2. Editing campaign budget, keyword and ad group bids
3. Excluding irrelevant search terms and editing ad copy. 

The update came out on the 17th of August. However, Google recently tweeted in order to make people more aware regarding the same.