What is drwx when using ls -la

Display the content of a folder including hidden files and additional information using this command:

ls -la ~/.ssh

• Note: l stands for long, it will display additional information about the files and directories
• Note: a stands for all, it will display hidden files as well

~/.ssh: find .ssh folder in root directory

The terminal shows:
drwx--xr-x 1 user staff 3389 10 Apr 11:11 id_rsa

It is about file permissions on unix/linux/whatever on the net.
The first character tells you if it is a directory (marked as d), then you continue in groups of three for read (r), write (w) and execute (x) permissions for the owning user, group and everyone else.