گره (علوم رایانه)

 record SinglyLinkedNode {
    next, // A reference to the next node
    data // Data or reference to data
 }

 record DoublyLinkedNode {
    previous, // A reference to the previous node
    next, // A reference to the next node
    data // Data or reference to data
 }

 record BinaryNode {
    parent, // A reference to the parent node                                
    left_child, // A reference to the left child node
    right_child, // A reference to the right child node
    data // Data or reference to data
 }