What does "Aliasing" mean in Rust?

I'm watching this video

Because I'm not native English I don't really understand what "Aliasing" means in terms of software.

I know what it means in computer graphics, but not in computer software.

Can someone explain this in easy words please? I think it is important to understand this if you want to write software in Rust successfully.

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A lighter, more generic introduction: https://en.wikipedia.org/wiki/Aliasing_(computing)

A more Rust-specific explanation: https://doc.rust-lang.org/nomicon/aliasing.html


Thanks. I think this will help. My search has led me to either computer graphics or analog signals.