A meta description is a short summary of a page that search engines may show under the title in results.
It is not a direct ranking factor, but a clear, specific description of about 140–155 characters can improve how many people click.
Google sometimes rewrites descriptions using text from the page, especially when the written one does not match the query.
SEO is the work of improving a website so it appears higher in unpaid search results for the searches its customers make.
SEOTechnical SEO makes sure search engines can find, crawl, render and index a website’s pages without problems.
SEOOn-page SEO is optimising the content and HTML of individual pages so they match what searchers are looking for.
SEOOff-page SEO is everything done outside your own website to build its authority, mainly earning links and brand mentions.
