noun
node label
Computing term for a label attached to a node in a graph, tree, or network structure.
各ノードに観点表示を付与することで、グラフの可読性が向上する。
Assigning node labels to each node improves the readability of the graph.
Compound of 観点 (viewpoint) and 表示 (display, indication). The exact derivation as a computing term is uncertain; it likely arose as a technical translation for 'node label'.