How do tashṭīr and tarṣīʿ differ?

Sajʿ and Muwāzanah: Rhymed Prose, Rhythmic Endings, and Balance

• Tashṭīr concerns segment endings; tarṣīʿ concerns paired words
• Tashṭīr concerns balance only and tarṣīʿ semantics only
• There is no discernible difference
• Verbal correspondence is prohibited in tarṣīʿ