<u>Explanation:</u>
The term node in this context basically refers to a series or groups of points in a graph, phrase markers, or a tree.
It is noteworthy that two or more nodes are referred to as daughters of another node in P-marker when if and only if the nodes in consideration (eg T, Q, R) are immediately dominated by another (M), which is called the mother node.
Heart that fed: And on the pedestal these words appear: 'My name is Ozymandias, king of kings: Look on my works, ye Mighty, and despair!' Nothing beside remains. Round the decay Of that colossal wreck, boundless and bare The lone and level sands stretch far away.
