Is everything banned?
Min ...
No, you can still go out and walk or exercise but you must keep 6' away from others.
Quite frankly, what they consider "necessary" or "essential" has a very wide range of meanings.
The basics (food stores, pharmacies, gas stations, restaurants [to go], all "to go" food places, many companies [you just have to provide service or produce something that sounds essential] are open, Where my wife works, they make some stuff for the government at times so they are considered essential. If you are anywhere in the supply chain of servicing, supplying, making or otherwise involved with something essential you can remain open.
But then I walked by a nearby park and there were a 8 or 10 guys playing a pick-up game of basketball. I don't know, I really don't know.
It is really a greyish grey area.
Rub a Dub