Satire
A speech or piece of writing praising something is called a eulogy or tribute. It is a formal expression of admiration, reverence, or appreciation for someone or something.
An obituary is what is published in a newspaper after a famous person's death.
It is called an obituary, sometimes abbreviated to obit.
An unreadable piece of writing is often referred to as illegible or unintelligible.
A post mortem biography would be one way of describing it.
Refine
transactional writing is a piece of writing that informs or persuades someone to do something e.g a letter, a recipe ect.
An extract
That would be called an "essay".
blah blah blah bye
citation
The next to last sentence in a piece of writing is called the penultimate sentence.