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No. The first character indicates the file type:
b Block special file.
c Character special file.
d Directory.
l Symbolic link.
...

When the "file" is actually a "directory" the "execute" permissions become "search directory" permissions, so Jim's table looks something like this, for directories:

0 (no permission)
1 search
2...

d = directory (folder)
l = symbolic link (reference to a file or folder somewhere else, thus the arrow -> to whatever it point to)

pwd = print working dir (yes, the directory you are in)
ls -l =...

The most important thing you should learn how to use is the "man" command (short for manual).

if you want to find out about a command and what it does, issue the following commands and learn what...

Example first column of ls -l

File type: d== directory l== link
|
|
|
|
|
_
drwxrwxr-x
___ ___
| ___ |
| | |
| | (World) other permissions r,w,x, and -
| group...