Who is your target audience?
What is the message?
What is the purpose of the video?
What visual and graphical elements do you want to show?
Where do we have to travel to get these elements?
How many minutes do you think the program should last?
What is the estimated shelf-life of your video?
Who will be the subject-matter expert of this video?
Who will be approving the scripts and off-line edits?
What is your deadline? What is driving your deadline?
How much do you have budgeted to spend on your video?