It isn't me making these definitions. It means that a digital signal is encoded in a way that does not lose information from its original encoding. https://en.

It isn't me making these definitions. It means that a digital signal is encoded in a way that does not lose information from its original encoding. https://en.wikipedia.org/wiki/Lossless_compression https://en.wikipedia.org/wiki/Lossless_compression https://en.wikipedia.org/wiki/Audio_Lossless_Coding https://en.wikipedia.org/wiki/Audio_Lossless_Coding https://en.wikipedia.org/wiki/Category:Lossless_compression_algorithms https://en.wikipedia.org/wiki/Category:Lossless_compression_... This is very common terminology.