Yamaka/ Yamak Alankaar (यमक अलंकार)

Yamak Alankaar is an interesting figure of speech, i.e. alankaar in Hindi. It's basically a word spoken twice or more in poetry, but with more than one meanings for different occurrences of the word.

A simple example would be Sajna hai mujhe sajna ke liye. Here the first sajna means to be adorned, and the second one means her beloved.