Which of the following best describes 'evidence of insurance' documentation?

The correct choice provides a clear definition of 'evidence of insurance' documentation. This type of documentation serves as verification that an insurance policy is in place. It not only confirms the existence of the policy but also outlines the specifics of the coverage provided. This information is crucial for stakeholders who may need to understand their insurance protections and claim capabilities.

The other options do not accurately represent what 'evidence of insurance' entails. A guarantee of coverage implies an assurance of payment or benefits, which is not what the documentation necessarily offers. A detailed policy of investment is unrelated to insurance since it pertains more to financial products, not the specifics of coverage. Lastly, a summary of lost claims would not provide proof of a current insurance policy but rather details past claims that may have been filed, which is a different context altogether.