Which positional status refers to the orientation of the robot in real-world coordinates?

The positional status that refers to the orientation of the robot in real-world coordinates is indeed referred to as the World coordinate system. In this system, the robot's position is defined in relation to an absolute reference frame, which is typically aligned with the physical environment. This allows for a consistent understanding of the robot's orientation and positioning in a fixed space, making it essential for tasks that require precision and accuracy in movement and placement.

The World coordinate system is crucial for applications involving multiple robots or when interfacing with other systems in a shared environment, as it ensures that their actions are correlated to a common understanding of the workspace. The robot uses this coordinate system to navigate and manipulate objects relative to its surroundings effectively.

In contrast, the other positional statuses serve different purposes. The Joint coordinate system relates to the individual joints of the robot and their angles, the User coordinate system is a user-defined reference frame often used for specific tasks or applications, and the Base coordinate system is typically centered around the robot's base or the point from which it operates. Each of these other systems has its specific applications, but they do not provide the same level of orientation detail relative to the entire environment as the World coordinate system does.