Two verse lines rhyming together at the end is called -

• Two verse lines rhyming together at the end is called - Couplet.
- Example -
'Blow, blow thou winter wind
thou art not so unkind'
- These trimeter lines end with the same sound, 'ind' and thus they rhyme together.

অন্যদিকে,
• Exposition - The beginning of a play which artistically presents some of the past and the present events and hints at what is coming next.
• Dactyl - a metrical foot of three syllables of which the first one is stressed and the last two are unstressed.
• Heroic couplet - A pair of iambic pentameter verse lines which rhymes together.

Source: An ABC of English Literature by Dr M Mofizar Rahman.