[Command Name] info-follow-reference [Keys] f [Explain] jump to one of cross reference nodes [equivalent to web browser] 
click the link
p a g e d o w n
p a g e u p
c l i c k t h e l i n k
h i s t o r y b a c k
c l o s e t h e b r o w s e r
F 1 ( h e l p )