There are 3 environments of management internal, external and task which environment has the most direct and immediate impact on a firm and which has a more diffuse and delayed impact

Internal -- forces within the organization
External - influences outside the organization
Task - specific external organizations or groups that influence and organization

Which of the environments has a more diffuse and delayed impact?

Out of the three environments of a firm,internal, external and task, which has the most direct and immediate impact on the firm, which has a more diffuse and delayed impact?