Prosody
காய்ச்சீர்
Kaaichseer
Explanation
A மூவசைச் சீர் kind - one of the two 3-அசை foot families, itself covering 4 named variants by beat order.
Story
காய்ச்சீர்'s 4 named variants give a poet 4 subtly different textures to choose from within the same broad 3-beat family.
Example
A 3-beat foot family used in longer classical meters.