According to McKinsey, people usually remember one, two, three, but not four, five, six, so everything should be summarized in less than three. This is now widely circulated in the business world "30 seconds elevator theory" or "elevator speech".
The only relationship in the workplace is a working relationship, whether it's between a superior and a subordinate, or between coworkers. Whether that relationship is good or bad, it's all the same.