Based on the above description, answer the following questions:
1) What is/are the fact(s) of analysis and its (their) Dimensions? 
2) Define the Dimensions attributes (level- and weak attributes). 
3) Define the Fact’s Measures. 
4) Define hierarchies of dimensions. 
5) Draw star schema(s) compliant to the DFM notation used in the course slides
Note. Highlight the Primary and Foreign keys in the star schema.