The best way to improve clarity in a word sentence is to use fewer powerful words. also using effective and specific words to help you understand the story or article
The first sentence is an interrogatory question, so a question mark is used. The second sentence is a declarative sentence and will use a period. The third sentence is an exclamatory sentence, and should use an exclamation mark at the end.
The quality or state of being extreme.
Used in a sentence - for defenders of the move, Austria’s decision was a necessary stance against radical religious extremism.