The "serverless" in this context means that they may as well be invisible to you, since you don't need to care about them. In the case of Lambda, you upload you

The "serverless" in this context means that they may as well be invisible to you, since you don't need to care about them. In the case of Lambda, you upload your code somehow Amazon runs it on a spare server somewhere. Language is all about context. The meaning of words changes depending on it, even in plain English settings.