A CDE Definition
A social component in Google search. If you like a website that has the +1 button, clicking it will share your endorsement with your friends and contacts whenever they search on Google, and the site is one of the results. Introduced in 2011, Google +1 is similar to the Facebook Like button. See Google+ and Google.
Before/After Your Search Term
Terms By Topic
Click any of the following categories for a list of fundamental terms.