King Arthur showed chivalry and honor above everything else which is what medieval Europe praised as highest values. He was always just and wise in his ruling which is another aspect that the Western civilization values.
An address of your house
A date of when you wrote it
Dear Sir/Madam
From or Yours Sincerely
Paragraphs
First Person
It can be past, present or future tense
It can be formal or informal
More people use it as an adverb but can also be a adjective