The case of a 3-arm interchange is not covered in the article's section. A special constuction can be found at the I-10 / I-20 in west Texas, also applied at some interchange constructions in Florida. This example shows how costs of flyover ramps and bridges are increased, compared to a simple at-grade ramp/road.
Counseling and therapy are generally two synonymous terms as they can be interchanged. A therapist can provide counseling and psychotherapy. However, a person who counsels called a counselor will depend on the degree he or she has received. Therapy involves a more difficult task to do compared to counseling. So the people conducting that can be psychiatrists, psychologists, or social workers.
As a consequence, the client is considered the ultimate teller of their own story, and the chief guide through their course of resolving their pain with the assistance of a therapist or counselor. Irrespective of the approach to which one subscribes, the differences between psychotherapy and counseling do exist. The interchangeable use of the terms, however, typically sparks neither controversy nor confusion.