Final answer:
Rhythm is a fundamental aspect of poetry that refers to the pattern of stressed and unstressed syllables. Meter is a specific type of rhythm in poetry that can be regular or irregular. The pulse of a poem's rhythm is similar to the pulse of one's heartbeat.
Step-by-step explanation:
Rhythm is a fundamental aspect of poetry. It refers to the pattern of stressed and unstressed syllables in a line of poetry, known as meter. Meter can be regular or irregular, depending on the specific poetic form being used. The pulse of a poem's rhythm is similar to the pulse of one's heartbeat, creating an organized and rhythmic flow of words.