> Well "Oblique" literally means italic, so not really. But they are thin in nature, so that is related.
In typeography Obliques and Italics are actually different, but similar, things. They both achieve the same effect of emphasis but go about it in a slightly different, but important, way.
Italics are not just angled versions of their 'Regular' siblings. They are genreally new letterforms that are more caligraphic. For instance consider this sample of a variant of Garamond.
https://upload.wikimedia.org/wikipedia/commons/6/60/GaramondSpecimenA.svgYou can see that especially the lower case characters exhibit this 'new calligraphic letterform', an especially obvious example being the lowercase a which goes from a regular 'two story' a to a single story a with italicized. Also you will notice that the counter of the a (the enclosed area) detaches from the stem much higher up, you also see this on the q. Similarly the shoulder of the r (the bit on the right) separates from the stem similarly, gradually lower on the stem unlike the regular where it's abrupt right near the top.
Here below is a sample of univers.
https://en.wikipedia.org/wiki/Univers#/media/File:Univers_sample_2015.pngAs you can see here the oblique characters are simply 'tilted' versions of their 'regular' siblings. Sometimes there are slight changes in the line weight to correct for some visual weight, but generally that kind of change is very subtle.
Generally speaking you will see italic versions of serif typefaces and obliques for sans typefaces. But that's not 100% the case, I've seen a few weirdos in my day.
Just a little education from a type nerd.
The page on Oblique typefaces on wikipedia is pretty good at going into more detail.
https://en.wikipedia.org/wiki/Oblique_type
