top-level elements
html - html document
head - document head
body - document body
frameset - frameset

head elements
base - document base uri
isindex - input prompt
link - document relationship
meta - metadata
script - client-side script
style - embedded style sheet
title - document title

generic block-level elements
address - address
blockquote - block quotation
center - centered block
del - deleted text
div - generic block-level container
h1 - level-one heading
h2 - level-two heading
h3 - level-three heading
h4 - level-four heading
h5 - level-five heading
h6 - level-six heading
hr - horizontal rule
ins - inserted text
isindex - input prompt
marquee - moving text noscript - alternate script content
p - paragraph
pre - preformatted text

lists
dir - directory list
dl - definition list
dt - definition term
dd - definition description
li - list item
menu - menu list
ol - ordered list
ul - unordered list

tables
table - table
caption - table caption
colgroup - table column group
col - table column
thead - table head
tfoot - table foot
tbody - table body
tr - table row
td - table data cell
th - table header cell

forms
form - interactive form
button - button
fieldset - form control group
legend - fieldset caption
input - form input
label - form field label
select - option selector
optgroup - option group
option - menu option
textarea - multi-line text input

special inline elements
a - anchor
applet - java applet
area - image map region
basefont - base font change
bdo - bidi override
br - line break
font - font change
iframe - inline frame
img - inline image
map - image map
marquee - moving text object - object
param - object parameter
q - short quotation
script - client-side script
span - generic inline container
sub - subscript
sup - superscript

phrase elements
abbr - abbreviation
acronym - acronym
cite - citation
code - computer code
del - deleted text
dfn - defined term
em - emphasis
ins - inserted text
kbd - text to be input
samp - sample output
strong - strong emphasis
var - variable

font style elements
b - bold text
big - large text
i - italic text
s - strike-through text
small - small text
strike - strike-through text
tt - teletype text
u - underlined text

frames
frameset - frameset
frame - frame
noframes - Frames alternate content