The backbone of this system is the file (String Table). These binary files are stored inside the game’s Data folder and inside .package mod files. Every supported language has its own STBL file, tagged with a specific language code:
Lena had been making custom Sims content for years—hair, clothes, even a few functional objects. But she’d never dared touch the game’s language strings . That felt like magic reserved for the gurus at Maxis. sims 4 language strings
: STBL files always use the specific Resource ID 0x220557DA within the game's .package files. The backbone of this system is the file (String Table)