关联，聚合，构成和依赖之间的区别

I was going through the difference between Association, Dependency, Aggregation and Composition in various sites but i got confused.Few places they are mixing each other. Could you please let me know what is the relationship exists between the classes mentioned in below example. As I can see few classes like A & B has more than one relationship Dependency as well as Composition. In that case which one needs to be considered.I was going through the difference between Asso