No. The nodes (data items) are the same, but their relationships are different.

Data structures can be built in main memory, on hard disk, on punch cards, across the Internet, or in any combination of any media that can store bits. Let us simplify things and only talk about data structures built in main memory.

A **node** in a data structure is an
item of data.
The "structure" of the data structure consists of the
relationships between the nodes.
Often nodes are called **elements**.
When thinking about the *structure* part of a data structure each
node is an indivisible unit.
Here is a picture of the list of the five numbers:

The arrows show the *successor* and *predecessor* relationships.
The *first* node of the list has no arrow going into it;
the *last* node of the list has no arrow leaving it.
Here is the *structure* without the data:

Could types of data other than integers fit into the structure of this list?