Keywords
Keywords
Definition:
Keywords are terms or phrases people enter in search engines for searches on the Internet. Keyword research is an important element of Search Engine Optimization (SEO) as a identifying important search terms related to a specific topic or industry is usually required as part of both organic and PPC optimization.

Resources:
Conversion marketing – Glossary of Conversion Marketing.
Over 300 tools reviewed – Digital Marketing Toolbox.
A/B testing software – Which A/B testing tools should you choose?
Keyword research – How to do keyword research.