Possible Clues:

• Things in sentences (3 words)
• What you can spell "cheeps" with?
• Start, lecture, end -- are they nouns or verbs?
• Talking points? (3 words)
• Eg articles a perfect shop's displayed
• Verbs and nouns maybe used for bits of address
• Oratorical elements?
• Grammar elements, or what the first three letters of 17-, 30-, 45- and 62-Across literally are
• Noun, verb, adjective etc
• Extracts from lecture, say, for linguistic classes