Tokens: Basic units of HTML (meta-)grammar
Elements: Composite units of HTML (meta-)grammar
Document 
Head Body
Head Title
Title Token*
Body Object*
Object Heading | Hrule |
UList | OList | Table |
Token
Heading Token*
UList Listbody+
OList Listbody+
Listbody Listitem*
Listitem Object*
Table Tablerow*
Tablerow Tabledata*
Tabledata Object*