What the Covid tiers mean and the difference between the three categories

Regions have now found out what tier they will be inMore details about the new tier system coming into force after lockdown have been unveiled today.
People in England finally found out what rules they will be living under until at least Christmas, when some easing of restrictions will be allowed.
There will be a few blanket rules in place across each tier when lockdown ends on December 2, while restrictions on businesses opening and households mixing vary.Hairdressers, gyms and non-essential sh