Conceptually, all applications that use D-BUS contain a set of objects, and messages are sent to and from specific objects — not applications — that are identified by an object path.

概念上，所有使用d -BUS的应用程序都包括一组对象，消息发送到或者发送自特定对象——不是应用程序——这些对象由对象路径来标识。