Search Engine Optimization (SEO) Glossary

Craft a comprehensive SEO terminology guide in [LANGUAGE] that elucidates the common jargon and abbreviations related to search engine optimization. This guide should encompass essential terms like 'backlink', 'SERP', 'meta tags', 'organic traffic', 'keyword density', and 'alt text'. For each term, provide a succinct and precise definition that caters to both novices and experts in the SEO domain. Additionally, highlight the term's significance in SEO strategies and its general application.