But that’s the issue, I disagree that “we manage to get the point across”. A lot of the times we simply don’t

Do you think Nazi Germany was ‘Socialist’ because of National Socialism

And you bring up a great point here, about why it matters to have proper understanding of terms. Otherwise you’d be likely to lump in Nazism in with socialist ideologies. And that has happened a lot. People have used this exact line of reasoning to demonize socialism

This website might not be a college essay, but it is a forum, where ideally you go to to see different perspectives and learn something about something. So I think this discussion perfectly fits here, why should you limit gaining knowledge to an essay or legal writ? There’s no rush to get your point across

As for the rest, no you do not need to know the specific differences between AC or DC… but you better know there is a difference, lest you’ll blow a device up if you try to do anything non-standard (like, say, plugging a computer up to a backup power supply. You need to make sure it’s an UPS that outputs a proper sine wave, lest things will go wrong with your PC’s PSU expecting one, but getting a DC input instead). And you might not need to know every single detail of you candidate… but I hope you do actually know what their positions are, yes