Ways to transfer files between mini12 and PC

[kakabi]

I am a new user of iPhone and I have the following questions.

Apart from uploading to a Whatsapp chat and download, what are usual ways of transferring files between a PC and an iPhone 12 mini?

Note that what I want to know include:

1) transferring an audio file.
2) transferring a video.
3) transferring an image.
4) transferring a document.

And I would like to know the transfer both from iPhone to PC as well as PC to iPhone. PC I mean a desktop computer.

I find that simply a cable isn't enough to do all tasks. So I would like to ask experts here.