Important terms in digital marketing and seo - (1)Title tag = A title tag is a HTML tag that specifies the title of a web page or website.They are displayed on search engine results pages (SERP).usually, Google displays the first 50–60 characters of a title tag. How it Use in code- <head><title>example</title> </head> (2)Meta Keyword = Keywords are words and topics that tells what your website, blog, page or any content is based on. In simple language, they're the words that the user enter into search engines for search any information by which result is shown. (3)Meta description= Meta descriptions are HTML attributes that tell searcher about the web pages in one or may be in short paragraph, which appear under the title tag in search page. How it use in code- <head> <meta name="description" content="This is an example of a meta description."> </head> (4)ALT text= Alt text (alternative text),