(1) What is the goal of Hyperledger Composer? - To accelerate time to value, and make it easier to integrate your blockchain applications with the existing business systems.
(2) What is the relationship between Hyperledger Fabric and Hyperledger Composer? -Composer supports the Fabric blockchain infrastructure and runtime.
(3) What do we define within the Model File? - The sub network that needs to be built for a particular business or group of businesses in order for applications to run effectively on the blockchain.
(4) What is the relationship between assets, participants and transactions? - They are parts of the business model that must work together in a blockchain environment to make the business achieve its purpose.