This is an ident. An ident indicates where the start of a new paragraph is. As you can see, the first word is more to the right than the second sentence.
Birthday because if you wouldn’t use it it could be for any occasion in my opinion.
Which bear are you talking about?
Allusion is illustrated through the entire poem.
Allusion is an brief and indirect reference to a place, person, thing, or idea of historical, culture, political significance, or literary.
Furthermore allusion doesn't describe in detail the person or thing it refers to.
Hope I helped ;)
