A part of a longer story or a larger sequence is called -

• A part of a longer story or a larger sequence is called - Episode.
- অর্থাৎ, একটি দীর্ঘ গল্প বা নাটক ইত্যাদির ছোট ছোট পর্ব গুলোই episode হিসাবে পরিচিত।
- সম্পূর্ণ গল্পটি পর্বে বিভিক্ত করে ধারাবাহিক ভাবে দেখানো হয়।
- Though an episode appears complete in itself, it leaves behind some clues on which the next episode is developed.
- An episode contributes to the total design of the story.

• Example - In jane Austen's 'Pride and Prejudice', the part that narrates Lydia's elopement and its impacts on the Bennet family is an episode.

অন্যদিকে,
Foot - A unit of two or more stressed and unstressed syllables in a verse line.
Exposition - The beginning of a play which artistically presents some of the past and the present events and hints at what is coming next.
Stanza - A division of a poem or a smaller unit of the structure of a poem.

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