The keyword is a phrase that can be typed in the search box, it can be a brand, product, services business names. It is an important process for SEO professionals to find and research certain search terms. In the keyword research, key phrase and terms are more important to compete with your competitors.
Keyword Research is the important ranking factor in search engine optimization to find suitable keyword for your business, brand, product, services to show up in search results.
As per Google algorithm relevancy is a major concern. The keyword should be relevant to your business or products or services, which makes your business or brand popular in search engines.