Final answer:
Barb's job exemplifies telecommuting, a modern work arrangement facilitated by technology, allowing her to perform her duties outside of a conventional office environment.
Step-by-step explanation:
Barb's job, where she works from home and communicates with her boss via email and phone, is an example of telecommuting. Telecommuting allows employees to work at a location outside of the traditional office environment, leveraging technology to stay connected with their workplace. This phenomenon is part of a broader trend in the job market that emphasizes flexibility and the ability to work remotely. As technology continues to advance, more companies are offering positions that allow for telecommuting, widening the talent pool beyond local candidates and reflecting changes in societal work preferences.