1. Between two. Something lies between two objects, people, groups.
- I was standing between my mother and father.
- I was between a rock and a hard place (idiom)
2. Among or between more than two. Use between when referring to clearly separate objects or people. Use among when referring to a group or mass of things or people.
- My bike is between the wheelbarrow, the ladder and the brush.
- I see something between the trees.
- Your book is somewhere among all these.
- They talked among themselves while they waited.
Among precedes singular, uncountable nouns.
- She couldn’t find her suitcase among the luggage.
3. Difference, sharing and dividing. We use between after difference.
- There is a small but significant difference between U.S. and U.K. English
We divide or share things between or among people, places or things.
- We share the writing of this blog between several editors.
- She divided the cake between 8 people.
4. ‘one of’, ‘some of’, ‘included in’.
- The minister was among the delegation.
- He was one among many protestors.