Jad Gurrul allows you to cast spells, and if this runs out you will need to top it up again soon. Further exploration will take you out into a street blocked by a cart, and a small market square. It certainly has you draw breathe in admiration - the world you are walking around is full of people, and you can press your 'use' key to speak to any of them if you wish. Most you will find don't have much time to speak with you, but some will offer you valuable clues and suggestions that will help you understand what to do next. You will find old people stooped over and shuffling along, young children wandering around, sometimes alone, sometimes accompanied by an adult.
People stand in the streets chatting, others go about their business.
The population of the city really gives a believable setting. You can quite believe that these people have done what they are doing for years. Their ways and methods are far different to what Herbert is used to though, with the main confusion starting with why they are so obsessed with time. You will soon learn that time is everything in this game. You won't have travelled very far before you experience the first temporal wave ripping through the city, and when it has passed you will have turned into a child.