Search engine optimization (SEO) is based on a set of foundational ideas, strategies, and technical processes that have evolved over time.
Although those may be old hat for longtime practitioners, they can be confusing and overwhelming to those just getting started.
A Semrush infographic (below) helps serve as a guide for beginners.
It provides an overview of key SEO principles, such as webpage optimization, search engine rankings, and keyword research.
Check out the infographic: