Difference between digital marketing, SMO, and SEO?

[Sonika11Mehra]

What is the difference between digital marketing, SMO, and SEO?

[seojennifer]

In my point of view digital marketing is the parents and SMO, SEO are the childs.

[sadianisar]

Both SMO and SEO are the examples of Digital Marketing.

Digital marketing is a type of marketing technique which is used to promote website, services, products or items over electronic media. For instance, SEO, SMM, SEM, Email marketing etc.
SMO: Social media optimization. Optimization of social media accounts to increase the brand awareness among social media users.
SEO: Search engine optimization. Optimization of a website according to rules and regulations of search engine.

[incomecracker]

SEM (Search Engine Marketing) involves marketing your website through search engines, such as Google, Bing, and Yahoo. It is all about optimizing paid traffic sources. ... SMO is a part of Digital Marketing, in which we use Social Media channels to promote our brand or business, both organic & paid.