Are You suprised ?

E.g. Will you have another glass? /of wine/

E.g. He drank another bottle. /of beer/

• 
  The name of the material stands for the name of the thing made of it.
  

E.g. Your satin needs ironing. /the outfit made of satin/

• 
  The name of the creator stands for the name of the thing made by him
  

E.g. She has bought two Glazunovs. /pictures made by this painter/

• 
  The name of the symbol stands for the name of the thing symbolized.
  

E.g. He made his way through the perfume and conversation. /through the crowd of perfumed and talking people/

• 
  The name of the instrument stands for the name of the action it performs
  

E.g. Well, Mr. Weller, you’re a good whip and can do what you like with your horses. (Ch. Dickens)

• 
  The name of the concrete thing stands for the name of an abstract notion
  

E.g. Elisabeth II is the crown of Britain. /the queen/

• 
  The name of the part stands for the whole, and vice versa (synecdoche)
  

E.g. She saw around her… multitudes of violently red lips, powdered cheeks and cold hard eyes.

Metonymy is usually expressed by nouns. It differs from metaphor in the way it is decoded. In metaphor one image excludes the other, while in metonymy it does not.