Function:
Does it do what it's supposed to do?
Does it perform it effectively?
Improvements?
Aesthetics:
Design (personal tastes/fashions of the times)
Relates to color, shape, proportion, texture and other visual aspects of the artifact
Ergonomics:
Interaction with the human body
Shape, ease-of-use, comfort, safety, convince, taste, smell
Economics:
Cost to produce (materials, manufacture, labour, ads, transport, packaging, sales, administration) - selling cost
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