How to assign custom names to multiple desktops on iMac and MacBook?

I HAVE MULTIPLE PROJECTS REQUIRING ME TO HAVE SEVERAL WINDOWS OPEN FOR EACH ONE. ITS A HUGE HELP BE ABLE TO SEPERATE DESKTOPS BUT THE THUMBNAIL IS WAY TOO SMALL TO BE ABLE TO TELL THEM APART. I WISH IT WAS POSSIBLE TO CHANGE THE NAME OF THE DESKTOP FROM THE STANDARD THE COMPUTER ASSIGNS. DOES ANYONE KNOW ANY WAYS OF DOING THIS ON MY IMAC AND MACBOOK? IF NOT THEN IS THERE A WAY TO SUGGEST THIS TO APPLE? THANKS AHEAD FOR ANY IDEAS!

[Re-Titled by Moderator]