Question is little bit complex. I cannot understand because we use SEO to increase Traffic on our website or webpage.

Digital marketing refers online marketing which is done through various digital medium. Search engine optimization (SEO) is one of the most important technique of Digital marketing which is use to increase visibility of the website in search engine. By increasing visibility we get more traffic or leads for the business.

Digital markeintg Comprises of - SEO SMO PPC COntent markeitng Content Writing; means Digital amrkeintg consists of all the markeitng tactics which can be done digitally even it include influencer markeinting also...
While SEO is part of it - Gone are the days when SEO stands only to improve the keyword ranking, but now seo changed a lot...