The area picked out
in pink is Radio City Music Hall
(radiocity.com) (p. 75, 137-140).
The area picked out in blue is the skating rink (p. 128-134).
Rockefeller Center includes a
friendly, fountained public
"promenade" leading to the skating rink (this area is called the Plaza).
There are shops and businesses
all around, including NBC studios (nbc.com).
There is
a huge Christmas tree put up by the rink every winter.