Each element points to the next and the previous element, allowing traversal in both directions.

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A hierarchical structure where each node can have at most two children.

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A sequence of elements where each element points to the next, allowing for efficient insertion and deletion at the beginning.

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Allows for efficient searching, insertion, and deletion operations due to its ability to represent hierarchical relationships.

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A linear collection of elements where the first element is known as the head and the last element points to null.