Search engine optimization, or as commonly abbreviated SEO, refers to the process of preparing a web page so that it will be properly indexed by search engines and that it will show in search results. This means that SEO is crucial if you want potential buyers to find your webpage when searching in Google, Yahoo, Bing and other search engines.
Webstore is optimized for search engines. This means that potential buyers will find your products listed in relevant search results and will arrive at your webstore from search results.
In order to ensure that the right buyers find your webstore, make sure that you optimize your title and descriptions by adding relevant keywords.