You can feel a piece of writing because if you can relate to it then you will understand what they're talking about. Like my mom is awesome and so on you can say yeah my moms also awesome. Hope this helps :)
The poem shows the admiration and respect towards the King. For the word crown'd, it is the same theme that is discussed throughout the poem. The word exhibits the greatness of the King by showing that he deserves respect for his deeds.