Related Clues:

• Rudimentary run
• What one goes back to at the drawing-board?
• Graduate thus starting to study the fundamentals
• The essentials of construction
• Brass tacks
• Basic practical details
• Crazy, plus does a runner leaving essential details
• Primer fodder
• Early learning
• While it's a bit of an A to Z, it's more to do with a subject's first principles
• Letters for Dick and Jane
• Basic lessons
• Pre-K basics
• Preschool subject
• Something to get back to