The string system_arm32_binder64_ab_img_xz describes a specific technical configuration for an Android Generic System Image (GSI). To understand its significance, one must look at how Android architecture has evolved to support a fragmented hardware ecosystem through Project Treble. The Technical Breakdown
ARM32: Targeted at devices with a 32-bit CPU architecture (ARMv7).
Common usage
It is a concatenated shorthand that breaks down into the following technical specifications: : Indicates this is a system partition image.