The basic rhythmic structure of a poem is called its Meter
A monoform or monocline is a horizontal intersection that pass through a 3D model of a graph.
The central idea is the same as the main idea. Most of the time, the main idea is mentioned in the Title. Without reading the essay, I do not know what the central/main idea is.
Answer:
"Like a bruised, little bird
Too confused to fly,
I'm trapped, in a word,
So confined am I.
A captive, collared lion
Alone in its pen,
I'm pacin' and dyin'
In a manmade den.
For an eagle was not meant
To be locked in a cage,
Its life to be spent
Like a picture on a page."
Explanation:
Hope this helps!