The doohickeys. From left to right, they are:

Remove Text Formatting
Fonts Style (drop-down box)
Font Size (drop-down box)
Font Color (drop-down box)
Smilies(drop-down box)
Manage Attachments (paperclip) [What?]
Undo
Redo
Spell Check
Decrease/Increase size (of this box)
Switch Editor Mode
Bold
Italic Underline
Text Alignment (Left, Center, Right)
Ordered List (what?)
Unordered List (what?)
Decrease/Increase Indent
Insert Link
Remove Link
Insert E-mail Link
Insert Image
Insert Video
Wrap [quote] tags
Wrap [code] tags (what?)
wrap Tags
wrap [php] tags (what?)