Performance.
A product's performance refers to how well it works.
Customers are willing to pay more for high performance products because they work well.
She isn't satisfied with the performance of her laptop.
The car's performance is excellent.
Durability.
Durability is how long a product can be used without breaking or getting weaker.
If a product is durable, it won't need to be replaced for a long time.
Their products have a high reputation for durability.
Durable goods can last for a long time.
Cost effectiveness.
Cost effectiveness is how useful something is compared to its cost.
If you just want to send emails, an expensive computer may not be cost effective.
But it may be more cost effective if you use a lot of software.
It's not cost effective for him to buy the car.
She doesn't think it's cost effective to buy a new phone.
If you need an expensive computer to run software, it will be cost effective because you will use more of its features.
She doesn't think it's cost effective to buy a new phone.
Appearance.
A product's appearance is how it looks.
Some customers prefer to buy products with a better appearance, even if they cost more.
The appearance of smartphones has changed a lot.
She bought the headphones because of their appearance.
The appearance of smart phones has changed a lot.
Safety.
Safety refers to how safe something is to use.
Safety is often a concern for parents when buying products for their children.
The restaurant has big food safety problems.
Suppliers must be sure their products are safe to use.
You might make a bad buying decision if you care too much about how well a product works.
Cost effectiveness is how useful something is compared to its cost.
The restaurant has big food safety problems.