White Hat SEO - Follow the rules and guidelines set by Google & Bing search engines. 

Black Hat SEO - Strategies and techniques that are used to gain traction very quickly by spamming, misleading search engine bots and the users. 

Suggestions & Guidelines for Search Quality Raters - https://static.googleusercontent.com/media/guidelines.raterhub.com/en//searchqualityevaluatorguidelines.pdf

Webmaster Guidelines from Google - https://developers.google.com/search/docs/advanced/guidelines/webmaster-guidelines

Webmaster Guidelines from Bing - https://www.bing.com/webmasters/help/webmasters-guidelines-30fba23a