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1. How does this  use case diagram is related to the previous use case diagram I have learned before?
2. Which diagram is easier to understand, with OVM or without OVM?

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1. Why state diagram is important?
2. Why variant is important in state diagram

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1. Bagaimana Variability Model boleh dikaitkan menjadi satu Class Diagram?
2. Apa kepentingan Class Diagram kepada Variability Model?

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1. What is the different between normal sequence diagram with sequence diagram with a variability model?
2. Why is sequence diagram variability model is important to requirements artefacts?

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1.What is the difference of this use case with the OVM diagram that I have learned earlier?
2. Is there any variation point and variation related to each other? How does it related?