Answer:
The character 'j'
The character 'j'
Often the nodes of a data structure themselves have structure. Each item on our list is a sequence of characters. This is OK. The internal structure of the nodes does not interfere with our view of the relationships between nodes.
It is common to have data structures that contain data structures as data, that further contain data structures as data, somewhat like a college campus contains buildings, that contain rooms, that contain rows of desks.
Have you already seen ordered lists of integers in assembly language?