Copy Videos etc. to SD card

I know that there are many ways to get access to KODI and I watched several videos regarding this, but they all just show how to connect.

But into which folder do I have to copy things that they appear on homescreen under Movies, Videos, Music, Pictures etc.?

Via network there are a few folders Pictures and Videos for example, but Movies is missing. I simply can't find the same folder structure like in KODI menu...

And when I want to copy it from USB with the filemanager, then there are only "Profile directory" and "Add source", no folders and files at all.

Ok, thanks. Now Movies works, but my series are not shown under TV Series.

Have changed content to TV Series (only 1 season) and added it to the library after changing the titles to e.g. "In the beginning_ep01.mp4", but afterwards there still is the option to add to the library...

Within the Videos folder, where I added all Media sources, you can of course just open the series folder and play it that way, but its a bit cumbersome. I linked the whole source folder to Movies and then subfolders to TV Series and others.