tree structure
Computing term for a hierarchical data structure consisting of nodes connected by edges, with a single root node and no cycles.
File systems are often represented as a tree structure.
This algorithm searches the tree structure depth-first.
General term for hierarchical structure; 木構造 specifically refers to a tree-shaped hierarchy with a single root and no cycles.
hierarchical tree structure
Compound of 木 (tree) and 構造 (structure), directly calquing the English computing term 'tree structure'.