there is no difference
The one difference between trailer and trailor is that trailor is not even a word. However, trailer is. A trailer is what you would call a mobile home.
Straight truck is a single vehicle; i.e., there isn't a trailer in tow.
Most trailers are semi trailers. You're probably asking the difference between a semi trailer and a full trailer. A semi trailer is not wholly self supporting, and weight is distributed both the trailer axles, and to the tow vehicle. A full trailer supports its own weight fully.
The difference between freight and package is the size of the container. Freight refers to the size of the entire shipment, such as a semi trailer's contents. Package is just one part of the entire shipment, like one pallet or box on the semi trailer.
There are many different types of advantages in owning a trailer home. The price difference between a trailer home and a house is much cheaper. If you ever want to move, you can bring your home with you.
A camping trailer is in reference to a pop up camping trailer. I travel trailer would be a tow behind trailer that stays up all the time, and a Fifth Wheel trailer is a larger trailer that is both pulled and part of it is connected in the bed of your truck.
number of stops (drops) loaded on 1 trailer. single drop is 1 stop and a multi drop is more than 1 stop.
There isn't one. So long as the weights on each axle/set of axles are legal, that's all Barney cares about.
Trailer emergency supply line and trailer service line.
The term actually applies to the trailer - it's called offtracking, where the turn radius of the trailer wheels is going go be inside the turn radius of the tow vehicle.
The first major difference is the trailer, which turns on a pivot point. Another major difference is the blind spot. In a car, you can look out the rear window at things directly behind you - not so with a tractor-trailer.
The difference between a house and a mobile home is that a house is a free-standing, single family residence while a mobile home is the one on a trailer, always "on the go".