What does the `~` symbol mean in front of a resource in a Terraform execution plan?

Question

In the following excerpt from the execution plan:

```
  ~ resource "aws_instance" "web" {
        id            = "i-0b938cca79b516e8a"
      ~ instance_type = "t3.micro" -> "t3.small"
        # (38 unchanged attributes hidden)

# (8 unchanged blocks hidden)
    }
```

What does the `~` symbol mean in front of the `aws_instance.web` resource?

Accepted Answer

The resource `aws_instance.web` must be updated

Answer

The `aws_instance.web` resource must be created

Answer

The `aws_instance.web` resource must be deleted

Answer

The `aws_instance.web` resource must be deleted, then re-created.

Question from the Terraform : certification training test

What does the `~` symbol mean in front of a resource in a Terraform execution plan?