What exactly is an Asset in Hyperledger Fabric?

According to Hyperledger Fabric website, it states:

Assets can range from the tangible (real estate and hardware) to the intangible (contracts and intellectual property). Hyperledger Fabric provides the ability to modify assets using chaincode transactions.

If my use case for a HF Blockchain is to store service logs of vessels, then are the Assets the vessels in this case?

But what modifications are to be made to the asset when I am not transferring the assets or changing its states? I am only keeping an immutable record of the service performed to the vessels.

Could anyone explain this for my use case? Greatly appreciated.

#hyperledger #blockchain