Nuts and bolts, so to speak

• Grade school basics
• Metaphorical ropes
• Language rudiments
• Kid's recitation
• What a beginning reader has to learn
• Block letters
• The basics, as it were
• Fundamentals, so to speak
• Preschool basics

Wiktionary Word definitions in Wiktionary
init. The callsign for the Ceduna station of the Australian Broadcasting Corporation