Okay kiddo, so a director's desk is like a special desk that only some really important people get to use. It's usually a big desk with lots of drawers and shelves to keep papers and important documents organized.
The director is the boss of a company or organization, so they use this desk to do things like make important decisions, meet with other important people, and sign important papers.
Sometimes the desk can be really fancy and made out of expensive materials like wood or marble. The director's name might even be engraved on it!
So basically, a director's desk is like a super important desk for super important people who are in charge of big things.