A tan-skinned man sitting in a chair with a bag under his arm, talking on a white phone.
 A young man sitting in a chair with a bag under his arm, talking on a white large phone.
A tan-skinned man is not assumed to be young.  A white phone is not assumed to be large.
The man may not be young but older and the phone may not be large but small.
Not every tam-skinned man is a young man and not every phone is a large phone.