Google: Crawling Doesn't Mean Indexing, Indexing Doesn't Mean Ranking

This is probably SEO 101 but often even those who do SEO every day, they are so in the weeds that the basics kind of slip away. Martin Splitt of Google summed it up by saying just because Google may crawl a page, it does not mean that page will be in Google's index. Also just because a page is in its index, it does not mean it will rank in Google Search.