The differences between businesses and public are not at all clear. contractor - business?, employee acting on behalf of business, employee at work but not wor

The differences between businesses and public are not at all clear. contractor - business?, employee acting on behalf of business, employee at work but not work related, self-employed person in unrelated field, person how use of hashtag gets them noticed and hired, etc. Any of those who change over time. I hashtaged when I was the public but now I'm head of marketing at competitor.