The documentation says that Finder replaces windows explorer. However I have gone to my home directory in a terminal and created a directory with
How can I browse this directory using Finder? At the moment I cannot see it at all.
You can access the finder via the Dock:
When in the terminal, you can open the current directory in the terminal via:
Here's a finder window. I've created the directory
~/temp like you said.
You can also ⌘-click the info icon at the very top to see the path: