The term "wikitable" refers to Wikipedia's wp:table structure, like HTML <table>. Formats:

  • {| ... |}    → beginning ... ending of table (on separate lines)
  • |- valign=top                   → begin row, aligning items at top
  • |- style="font-size:92%"    → begin row, setting font size for all cells
  • | align=right |    → begin column, text aligned right (bar "|" means column)
  • | AA || BB        → begin 2 columns, for "AA" & "BB" (double-bar "||" means next column)
{| class="wikitable" border=1 cellspacing=4
! Column 1 || Col 2 || Column 3
|- align=center
| AA || BB || CC
|- align=right
| DD || ee || FF
|-
| colspan=3 | bottom row text
|}
Column 1 Col 2 Column 3
AA BB CC
DD ee FF
bottom row text

A related page is Template:Wikitext, see helpbox: {{Wikitext/help}}.

The page Template:Wikitable/help displays a condensed helpbox about wikitable markup elements, to be displayed as a concise nutshell overview, of template parameters, while editing another page.