Purpose of Variables in Terraform Variables prevent repetitive hardcoding of values in Terraform configuration files. They reduce errors due to inconsistent value entries across multiple resources. Simplify updating environment-specific configurations (e.g., changing from dev to stage ). Types of Variables Based on Purpose Input Variables: Accept values from users or other sources. Output Variables: Display or pass resource attributes after creation. Locals: Define reusable, local values within a Terraform module for simplification and consistency. Variable Types Based on Value Primitive Types: string , number , bool (boolean). Complex Types: list , set , map , object , tuple . Special Types: null (no specific type defined). any (auto-detects type based on assigned value).…