Grouping tags are designed to group similar blocks of text or content together under a tag group, such as a paragraph or a figure, or to split up a series of similar groups with a subtle effect, such as a line.
All HTML grouping tags support the standard global attributes, described earlier in this appendix in the section “HTML Global Attributes.”
The <p> tag group represents a paragraph of text. Although normal paragraphs segregate sentences into like-minded topics and flow, the physical separation can be manipulated via CSS to the point that the paragraph itself is no longer distinguishable.
Even if you have a single sentence of only a few words, if it is to display as a standalone block of text, wrap it in ...