Everyone needs a job as everyone wants money. You can use money to buy food, clothing or whatever you want in this world, but getting money is not that easy. You need to work hard. If you want money then you need to work hard for it. You can either be an entrepreneur or an employee. Since you are just fresh out of college, your skills is limited and you need to be contented with what job you can get. You are lucky to get a job as a truck driver in a company. Your job includes transporting some supplies from one company to another.
Since this is your first job, you don't want to make a mistake. Hence; one mistake might cause you your job. You can't afford that as you are the bread winner of the family. You don't want to go looking for another job, that is for sure. Besides, what is hard about loading and unloading goods when you are not even the one doing the heavy lifting as they have the man power for it. While driving, you need to concentrate on the task at hand as you don't want to make a mistake and end up breaking things as you drive. Surely, you would get fired if you end up breaking things, even if you didn't mean it.
In this game, you don't need to transport anything as the whole idea here is to carefully park your truck. You don't want to bump anything since that would mean losing one of your life. You only have three life throughout the game and you would need it to finish the game. Parking a truck isn't easy as there are a lot of obstacle and the idea is not to hit anything. There is a time limit and you need to park your truck as fast as you can.