3 Terms and definitions

The vehicle(s) that is (are) the focus of a scenario, meaning the vehicle(s) under test. For evaluation of automated driving systems, the Ego vehicle is the vehicle controlled by the system-under-test. For human driver experiments, the Ego vehicle is the vehicle driven by the human driver. There may be zero, one, or multiple Ego vehicles within a scenario.

The use of parameters, which are symbols that may be replaced by concrete values at a later stage according to either user needs or stochastic selection.

Everything that falls within the spatial extent of a scenario and therefore may form a part of the scenario description.