How does the imagery of verse 38 differ from the red-banner image in verse 24?

ʿAmr ibn Kulthūm: Address to Abā Hind, Tribal Pride and the Mill of War (Verses 23–38)

• The former implies bloodshed indirectly; the latter depicts bodily injury directly
• Both depict nothing but rainfall
• The first discusses grammar, the last inheritance
• Neither has a martial meaning