SEO - Search Engine Optimisation is a technique to improve the ranking of your website. Its a generic(non- paid)marketing descipline focused on your Website. This technique is useful and stable. All search engines like google, yahoo, bing etc. have their own indexing system. In SEO we work with content and images on our website, this will help us to indexing our url with these search engines. We use some more techniques for this like submitting our url in directories.
SEO have two types one is black hat technique and another is white hat. This white hat technique is always preffered for improve ranking. This technique is suggested because it improves our ranking gradually, but surely. On another hand black hat technique is not good, because it have some issues which are not suggested by search engines and some times this leads to dowlfall your ranking.
Email marketing is one of the effective mode of digital marketing.
This mode is use fule for branding your organisation and generate leads too. !
Social media optimisation is best way to promote yoi business.
Social media is in maxium use now a days. We can approach to maximum people by using this mode, definetly this will help to explore your business.
Blog writting is an art.There some special blog websites where we can submit our blogs. These blogs are basically the knowledge centre where we can share our views and ideas. A person have good knowledge of his/her field can share his/her knowledge by writting a blog or article. This will assist the new birds for improving there knowledge.