Dd 5 1 Hindi Dd 5 1- 13 — The Hobbit Trilogy -2012 2014- Extended 720p Bluray X264 Dual Audio -eng

This typically denotes either a specific release group identifier or a compressed multi-part archive tag. The Value of the Extended Editions

~13GB

Given that the trilogy spans 2012 to 2014, a "13" could also be a typo or shorthand for the second film, The Desolation of Smaug , which was released in 2013. This typically denotes either a specific release group