Remote work is basically any work where individuals operate from a space other than a typical work environment. This actually dates back to 1972. During this time Jack Niles worked for NASA and completed his work remotely.
Interestingly, the term telecommuting was born at the same time. This was how Jack referred to his work. Today remote work can include a range of different industries and individuals. We recommend you to read when should businesses start leveraging freelancers.