Which comparison correctly distinguishes abbreviation and narration by meaning?

Hadith Abbreviation, Narration by Meaning, and Unfamiliar Vocabulary

• Abbreviation retains part of the original wording; narration by meaning substitutes equivalent wording
• Abbreviation applies only to weak reports; paraphrase only to mutawātir
• Abbreviation changes the chain; paraphrase changes the transmitter
• Both are varieties of rare vocabulary