how to create a website and logo

I need a mini-research paper (400 words)
- The purpose of having a webpage and elements
If I want to create a website, what should I have to do?
If I need to create a logo, what should I use?
What are the methods?

Website
https://www.business.qld.gov.au/starting-business/internet-start-ups/online-basics/creating-websites
https://websitesetup.org

logo
https://blog.hubspot.com/marketing/how-to-design-logo