A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
The iOS version of Office is the iOS version of Office, regardless of the hardware you run it on.
So ....
"are the microsoft office apps for THAT PARTICULAR NEW MODEL designed to function in every way the way they do on a laptop? "
No. They're the same as what you're already used to.
The closest iPad-like experience that'd give you all of the Office features would be a Surface, but they seem to have more than their fair share of problems. I couldn't in good conscience suggest one.
Other manufacturers have full-up but light Windows PCs that also have touch screens and can be used in tablet mode. Lenovo has several, I'm sure other manufacturers do also. That might be the best choice.