Z is the last of them

• Kindergarten learning
• Basic training
• The alphabet, to beginning readers
• Kindergartner's recitation
• Kid's recitation
• The elementary stages of any subject (usually plural)
• First things you learn
• School basics
• Things learned first

Wiktionary Word definitions in Wiktionary
n. 1 (ABC English) 2 (context plurale tantum English) letter, writing, especially as a skill. n. The alphabet, especially the English alphabet.