Every so often I'll hop on my laptop, open google, and eventually try to download and open some document, only for the document to wind up looking like this:

What on earth does all this mean? What language is it, and why does it pop up instead of normally formatted English?

Also, if it isn't already obvious, I have zero technical experience with software and have no idea what sort of jargon I would use to even ask this question properly. Please keep in mind that I'm just a schlub who wants to know what this means.

• It's a file format based on zip archiving, which includes zip archives, but also xlsx and pptx files, for example. And JAR files. And lots more. The PK at the beginning is a good hint. PDF files start %PDF. – rici Aug 2 '20 at 7:40