# symbols. One # = H1 (largest), ## = H2, ### = H3, up to H6. Use H1 for the page title, H2 for major sections, H3 for sub-sections. Good headings create document structure and enable a table of contents.# Heading 1H1## Heading 2H2**bold**Bold*italic*Italic`code`Inline code```langCode block- itemList item1. itemOrdered item[text](url)LinkImage> textBlockquote| A | B |Table---DividerThis is a paragraph under H3.