No. The data in a node can be extensive and can contain references to other objects that themselves hold much data.
For example, a word processor might represent a document as a linked list of pages. Each page might consist of a linked list of sentences, and each sentence might be a linked list of words.
Data structures are often complicated. Linked lists are a good place to start.
Building a linked list statement by statement is tedious. The next chapter has a better approach.
Select a few of the following topics to review: