A paragraph (from the Greek paragraphos, "to write beside" or "written beside") is a self-contained unit of a discourse in writing dealing with a particular point or idea. A paragraph consists of one or more sentences. Though not required by the syntax of any language, paragraphs are usually an expected part of formal writing, used to organize longer prose.
Strong is used to indicate strong importance
This text has added emphasis
The b element is stylistically different text from normal text, without any special importance
The i element is text that is set off from the normal text
The u element is text with an unarticulated, though explicitly rendered, non-textual annotation
This small text is small for for fine print, etc.
The mark element indicates a highlight
P R E F O R M A T T E D T E X T
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0 1 2 3 4 5 6 7 8 9 : ; < = > ?
@ A B C D E F G H I J K L M N O
P Q R S T U V W X Y Z [ \ ] ^ _
` a b c d e f g h i j k l m n o
p q r s t u v w x y z { | } ~