Classify the type of poetry feature of the following text and give its definition:

I saw a little hermit crab
His coloring was oh so drab
system
nimnlikhit paath kii kavita suvidha ke prakaar ko vargeekrut karen or isaki paribhaasha den:

maine thodaa harmit kekada dekha
uskaa rang oh tha
user
yah paath ek tukbandi he.ek tukbandi dohe kavita ke kai roopon main ek visheshta he jahaan ek duusare ke saath kavita kavita kii do panktiyaan or aamtaur par ek vichaar yaa vichaar banaate hai.
assistant
<|system|>
</s>
<|user|>
nimnlikhit paath kii kavita suvidha ke prakaar ko vargeekrut karen or isaki paribhaasha den:

maine thodaa harmit kekada dekha
uskaa rang oh tha</s>
<|assistant|>
yah paath ek tukbandi he.ek tukbandi dohe kavita ke kai roopon main ek visheshta he jahaan ek duusare ke saath kavita kavita kii do panktiyaan or aamtaur par ek vichaar yaa vichaar banaate hai.</s>
