Difference between organic traffic and paid traffic?

Organic traffic is when you are found on a Search engine.

Direct traffic is when someone types in your website URL in the web address of the browser.

They are not the same. 2 different things entirely.

Organic traffic is traffic that comes to your website as a result of unpaid search results. Frequently, one of the goals of SEO is to increase organic traffic. Other types of traffic include: Pay Per Click (PPC) - traffic from ads that cost money.