(In reply to Heiko Tietze from comment #3)
> Created attachment 136167 [details]
> Master slides
> That's what I mean, various styles in one master. They are not related to
> each other in a way that the style of the first items affects the others.
> If you talk about layouts (one/two columns or rows), those are not editable.
But that is what I want to edit!
See the attached screenshot of WPS. It allows me to edit the layouts!
Thank you for your patience with me. I hope that this shows what I want.