No, not in the way you want to use it.
^^ Thanks, I thought so. Thanks for taking the time to reply.
If you can't read them, your viewers won't be able to read them, you need to increase the size on the slide.
First rule of Audio Visual is the viewer must be able to see what's on the screen.
^^ Think you've misunderstood what I'm asking there. It's not the size onscreen – it's the size on the name in the drop down style sheets menu bar
These are not terms used in Keynote, these are descriptions used in page layout applications, are you really using Keynote?
^^ Thanks for being condescending, appreciate that; yes I'm very aware of which piece of software I'm using, as shown by the screenshot. I'm naming my style sheets with relevant headings for the project, in theory I could call them anything, but from what the screenshot shows I can only name the large type ones a name with approx 5 characters, which seems like a real flaw.