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Priyadarshi NayakPriyadarshi Nayak 

Not able to follow instruction in TrailThread

Can you please elaborate which (+) sign below point 1 (red color) reffered here. 
https://developer.salesforce.com/trailhead/customizing_user_interface/ui_nav_buttons_links

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Best Answer chosen by Priyadarshi Nayak
Priyadarshi NayakPriyadarshi Nayak
I found the (+) in setup page.