[SOLVED] About Intro to Func Graphs

General Questions
#1

It says: You can think of every connected component of a functional graph as a rooted tree plus an additional edge going out of the root.

But, I understand the “root” as the vertex without in degree. So I think the additional edge is going in of the root, right?

#2

the module should say: a rooted tree with all edges directed toward the root

#3

I understand. Thanks!