A robot is an embodied agent that can

potentially develop behavioural and cognitive skills by relying on the input

provided by their sensors and a fitness (or reward) function.

A Robot is an embodied agent that can

integrate information over time and store in the body or in the relation

between their body and the environment. 

A robot is an AI agent where internal

layers of a  ANNs /  Deep learning architecture represents the

only way to extract features.

A robot is a particular AI agent that

can only use features extracted through actions with the external

environment.