Question 1 :
An attribute is a person, place, object, event in a user environment.
Question 2 :
Output reports should be included as part of an ERD.
Question 3 :
Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.
Question 4 :
Relationships cannot have attributes.
Question 5 :
Business rules and policies are universal.