If an output variable doesn't have a specified description, what happens?

When an output variable is defined in a Terraform configuration, it can have an optional description that helps clarify what the output is for. However, this description is not mandatory for the output variable to function properly. If no description is provided, the output is still usable and its value can be retrieved without any issues.

This means that even if an output variable lacks a description, it will still be available as part of the Terraform state and can be accessed using the appropriate Terraform commands. The absence of a description does not hinder the functionality of the output; it simply means that there will be less documentation associated with what the output represents, which might affect clarity for others who read the code later.

In contrast, other options imply limitations or requirements that are not accurate. The output variable remains fully functional without a description, emphasizing that the description serves merely as optional documentation rather than a requirement for validity or functionality.