Use Markdown or BBcode to add formatting. The toolbar will help you add common Markdown which involves adding certain special characters in front of or around your text, such as: **bold**, *italics*, ~~strike~~, >!spoiler!<, [link text](url), and ![alt text](image url).
BBcode is a common bracket style code that wraps your text, such as: [b]bold[/b], [i]italics[/i], [s]strike[/s], [url=]link text[/url], and [img]url[/img]. learn more