Review: Structural Elements

Document-wide
HTML - all tags are elements of the <HTML> tag:
Level 0            HEAD (TITLE, BASE, ISINDEX, NEXTID)
                   <!-- --> 
                   BODY
Level 1            HEAD (LINK)
Level 2            HEAD (META)
Level 3.2          HEAD (SCRIPT, STYLE)
Document-body
BODY - all tags not elements of <HEAD> are elements of the <BODY> tag:
Level 0            H1, H2, H3, H4, H5, H6
                   B, I, TT, U, BR, NOBSP, HR
                   P, PRE, BLOCKQUOTE
                   UL, OL, MENU, DIR (LI)
                   DL (DT, DD)
                   ADDRESS
 
Level 1            EM, STRONG, CITATION, STRIKE, 
                   CODE, SAMPLE, KBD, VAR

Level 3.2          TABLE, CAPTION, TR, TH, TD, SUP, 
                   SUP, BIG, SMALL, CENTER, FONT,
                   DIV

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