Don't worry, you're not alone. You're clearly smart. You're a successful small business owner OR an extremely intelligent marketer at an emerging brand or mid-size company, possibly the director of marketing, VP of Marketing or even VP of IT - but you don't exactly know what Google Webmaster Tools is.
It's fine. That's why we're here.
You wonder - is it the same as Google Analytics?
Is it the same is Google Search Console?
WTF? Why does Google have so many tools?
Let me help. This podcast explains! :)