Answer by Anon for "A tin of biscuits" vs "A biscuit tin"

I'd say normally:

1 A tin of biscuits, Implies that there is a container, which contains biscuits.

2 A biscuit tin, implies that there is a container, that is associated with biscuits.

For clarity:

2 A shoe box, is a box that contains shoes.

2 A metal box, is a box made of metal.

1 A box of metal, is a box that contains metal. (Although, in irregular speech such as poetry you may see the made of interpretation )