Not able to understand what you are actually looking for. If you are talking about website traffic, it can be beneficial in many ways. For example if you are having a blog or ecommerce website, it can help you in improvisation of your income.
Traffic is the number of page impressions your website is having for a particular time. Traffic is the popularity that your website gets from search engines. It helps to benefit your online business.
Traffic tells the number of visitors on a website visiting on a particular day. It is responsible for increasing the rank of a website in Google search engine as well as it helps to upsurge the revenue of a business quickly.
In SEO, traffic is the number of visitors your site get. It is a method for measuring the accomplishment of a site. The more traffic it gets, the higher the rank in SERP it gets.
I didnt understand your question well, but if you are asking about what is the benifit if you get traffic then,
I would say that traffic is necessary to know your website performance & high page rank for website.
Can you explain your answer further? There is no direct relation relation between traffic and Back links or Traffic and PR. However the opposite could be largely related by all means.
Visitors coming into your website are called as traffic.
And to answer your question, it all depends on the very "Traffic" you get. When people who are related, or what something from your website visit it, it's a valuable, and such a traffic can result in engagements, inquires, and leads. However if your website is getting traffic from useless or non-related sources it is of no benefit, and might even bring negative effects as with the case of Increased bounce ratio. So it is always important to monitor traffic and ensure your website's traffic sources are worthy and relevant.