Traditional SEO vs. Local SEO

We talk about local SEO vs. traditional SEO and how they relate to one another.  What are search engine Crawls, Indexes, and Retrieves?How can you help the search engines crawl and index your pages?What are some of the differences between traditional SEO and local SEO? Are they different algorithms? How does Google My Business (GMB) fit into local SEO?Can you just ignore traditional SEO and focus entirely on local SEO? Or do they relate to each other to some degree?How does Google determine local intent behind a search query?How does a small business take advantage of geographically relevant information and user intent to increase my local search rankings on Google?