What testers should know about domain knowledge
You might be an expert in software testing techniques. But often, QA professionals require industry domain knowledge in order to respond to unique specifications, workflows, or technology adoption. Here’s what to look for, as well as how to obtain domain knowledge in vertical markets, such as hiring talent, using consultants, and taking courses and tutorials.
https://www.functionize.com/blog/what-testers-should-know-about-domain-knowledge/