You're right that if the slide said C requires a build step unlike a lot of high level languages it would be correct. The terms "interpreted language" and "com

You're right that if the slide said C requires a build step unlike a lot of high level languages it would be correct. The terms "interpreted language" and "compiled language" have a sense in normal usage that I described, and I just verified that Wikipedia doesn't agree with you. There are no standards bodies that define formal definitions for those terms, common usage is how they are defined. All this is pointless pedantic quibbling, though, so it wasn't really worth my time, nor is it worth yours, really.