The string appears to be a specific filename format used by GateAnime , a prominent Arabic-language website for streaming and downloading anime.
: 04 indicates this is the fourth episode of the series.
بوابة الأنمي GateAnime - تحميل و مشاهدة الأنمي مترجم و مدبلج
: ardub signifies that this file contains the Arabic Dub (Madablaj) version.
Based on the naming conventions in the string, it refers to the following content:
: gateanime-com refers to GateAnime , a site known for providing subbed and dubbed anime content to the Arabic-speaking community.