Sentence:  In HTML, the tags <nowiki><p></p></nowiki> indicate paragraphs breaks, and we have included some basic text formatting: <nowiki><em></em></nowiki> for emphasis (typically italics), <nowiki><u></u></nowiki> for underline and <nowiki><strong></strong></nowiki> to <WSD>embolden</WSD> text. 
Meaning of the word marked with <WSD> tags:  To format text in boldface.