Search Engine Rank is relating to page rank. When you search any keyword on a search engine then its database display thousands of results in a search engine depending on page rank. A Page Rank is measured by the position of the webpage is displayed in the search engine results.
If a search engine is putting your webpage in the highest rank on a search engine results, it means your webpage is rank higher position on a search engine.
SEO is a process to design and develop a website in such a manner so that website always ranks on the first page of search engine results.
SEO Copy Writing is a technique of writing readable content on a webpage, so that surfer easily reads content according to search terms entered on a search engine. The Purpose of SEO copywriting is to reach highly in search engines for the targeted keywords.
SEO Copywriting optimizes usually On-Page SEO elements for the targeted keywords. These include title, meta description, keywords tags, headings, and text.
The idea behind of SEO copywriting is that search engine only genuine content pages and not additional pages often that called “doorway pages” that are created for the sole purpose of achieving high rank in search engines.