Final answer:
The concept described is best categorized as literary expressions with symbolic meaning.
Step-by-step explanation:
The concept described, 'conflagrations that would make stones drip blood,' can be best categorized as d) Literary expressions with symbolic meaning.
This phrase is not describing historical events, mythical occurrences, or geological phenomena directly, but rather using vivid language and symbolism for literary effect. It is possible that it is referring to some sort of catastrophic event or intense conflict, but the primary purpose is to evoke strong emotions through metaphorical language.
For example, the phrase could be used in a poem or a work of fiction to represent a violent and traumatic event that has a deep impact on the characters or the overall narrative.