Yes, save game files typically hold all your progress and data.
Yes, save game files typically hold all your progress and data.
It lacks extensive advancement time. It reflects your current self and the environment after many decisions and playtime. Still, it's essentially similar, so you should adapt it.
It's a predefined setting for the game world, defining its state and events. Is it just a configuration?
Certainly games come with bigger files—like 1MB—but even that feels a bit too much. When a file is unnecessarily huge, it usually means the developers didn’t optimize their save-game setup.