This stands for "including Downloadable Content," suggesting the file contains extra maps, missions, or items (like the Expansion Pass content) [1, 2].
Pirated versions often cannot access online features (like "Elusive Targets" or leaderboards) and may crash more frequently than the official version [1]. Hitman.2.Update.v2.70.1.incl.DLC-PLAZA.part1.rar
Unofficial files may contain malware or viruses [1, 2]. This stands for "including Downloadable Content
Files with this naming convention are generally associated with (piracy) rather than official updates from the Steam or Epic Games stores [1, 2]. Using such files can carry risks: Hitman.2.Update.v2.70.1.incl.DLC-PLAZA.part1.rar