What role does the title tag play in the website?

Hello.....
The title tag has been – and probably will always be – one of the most important factors in achieving high search engine rankings.
In fact, fixing just the title tags of your pages can often generate quick and appreciable differences to your rankings. And because the words in the title tag are what appear in the clickable link on the search engine results page (SERP), changing them may result in more clickthroughs.....

The title tag is an element in the header part of an HTML page. It is a fact that the title is displayed in web search results by the vast majority of search engines and most major search engines use a title tag in order to rank your page.

i dont knowledge about title tag in the website...............

title tag plays an important role as search engine crawl it make available for the users who make search in search engines.

Mager rule play title tag in a page at all. That describe to the Google what we are offering, providing or selling.

The title tag of web page will help to get better rankings. This is what a user is going to see and then it will encourage them to click on link to visit website.

Title tag in designing point of view is the heading of a site, what ever we write within title tag is shown at the title bar of any browser.
In SEO prospective, it is a very important part for SEO. Any search engine starts crawling from the domain name of a site, the second thing it crawls of a site is the title tag; so from this you can assume how important is for search engine.

 It is the single most important on-page element  which is  appears in three key places and also it describe the google what we are offering

It best describes about your site. 

title tag is very important meta tag in a website.the things which is in title tag will appears in search engine results.

Title tag we can say is similar as a tagline. We should put keywords in title to make their optimization easier.

Title Tags work as navigation bar for Users and for Search Engines, to know what exactly that particular Web Page or Web Site is all about through Title.