It’s clearly not. It’s only working to the extent you’ve contracted with your employer that you are trading your time and willingness to work for compensation

It’s clearly not. It’s only working to the extent you’ve contracted with your employer that you are trading your time and willingness to work for compensation e.g. salary or hourly wage. There are plenty of jobs that have different labor arrangements: commission only (real estate agents), piecework (home cleaners), unit rate rate (truckers), to name a few… is a real estate agent who’s sitting in their backyard working because technically they’re available to go show a house if you call?