Keyword stuffing - Stuffing is done when a particular word or sentence is used too many times even when it is not required.
Un natural keywords - Those keywords that are not required but put forcefully. Stop using unnatural keywords instead start using seed keywords to phrase and frame the content.
Exact match domain - Earlier any content without quality ranks on the basis of exact match domain. For example, a website giving information about cars having car dot com dot in type exact match domains ranks on any content without good quality.
Link quantity - Time has gone when people were making backlinks from backlink submission sites from any random site or forum sites.
Semantic search - It is a data search technique or search engine technology that uses natural language processing (NLP), machine learning (ML), artificial intelligence (AI) and intent and contextual meaning behind search queries.
Seed keywords - Seed keywords are small keywords that are used to build up the content, they are natural.
Brand authority - Rather than picking exact match domains it is good to build brand authority by producing original content.