If you get lost on how to edit your ad campaigns then you're in the right spot!
First, navigate to the PPC Dashboard and click on the name of the campaign you would like to edit. After that, you can move between the Ads, Ad Groups, and Keywords tabs.
You can edit anything in those tabs that have a little blue pencil next to it.
Or, instead of editing what you have, you can add new Keywords or Ad Groups to that campaign.