A direct drive motor has no belt and pulley. This means it wastes less power in friction, are less prone to breakdowns and have longer lifetimes in general. They are able to operate more quietly and with less vibration.
The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
The more power per year a device consumes, the less energy efficient it is, making it more costly over time.
The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.
We consider a thinner chassis better because it makes the product more compact and portable. Thinness is a feature highlighted by many manufacturers of mobile devices, but it is essential for a wide range of products.
Machines which use less water are good for the environment and can save you money in utility bills.
A hot water connection means that you can provide the machine with hot water from your main hot water supply. This can be faster than an internal heater and can save money if you have a cheap and efficient water heater.
The power consumption in standby mode, also called energy-saving mode, measures the amount of power the device consumes when shut down but still plugged in.