root

机器辅助翻译草稿 (Chinese) for "root": In network graphs and DNS, the root refers to the top-level node or domain from which all other nodes or subdomains originate. It's the starting point or primary domain that anchors a structure. For example, in the PlatPhorm network graph, the root node represents the primary site connecting the network's subdomains and services.

“示例草稿: All subdomains of platphormnews.com branch from the root domain, making it the central node in the network graph.”