I think it's Graph Search because there isn't any graphs in Facebook. That is my opinion. I don't use social media.
Answer:
Building Blocks
Explanation:
When referring to the Publisher Application the navigation feature that allows you to do this is the Building Blocks feature. Like mentioned in the question this feature allows you to choose from and insert a predefined set of calendars for insertion into a publication as well as insert a variety of other page parts to better customize the feel of the publication.
I would say a calculator.
I've included my code in the picture below. Best of luck.
