* Specific to a particular work or genre: The meaning might be unique to a specific author, book, or genre, like a shorthand for a character or concept.
* Misspelled or misremembered: It's possible the abbreviations are misremembered or mistyped.
* Acronyms used in research or analysis: Sometimes researchers or critics use acronyms specific to their own analysis.
To figure out what they mean, you need more context:
* What specific text are you referencing?
* Where did you see these abbreviations?
* What is the general topic or subject matter of the text?
Providing more information will help us determine the meaning of these abbreviations.