Write titles, headings and meta descriptions that rank — a practical guide to SEO-friendly text formatting.
Format text for SEO the right way: title and meta description lengths, heading hierarchy, readable paragraphs and on-page structure search engines reward.
Not directly, but it is often shown in the result and influences whether people click. Google frequently rewrites it from page content when it fits the query better.
Under about 60 characters so it is not truncated, with the most specific words first — the brand name at the end if you include it at all.