Final answer:
The question pertains to English and involves analyzing narrative elements and descriptive language in literature, suitable for high school level comprehension.
Step-by-step explanation:
The subject of this question relates to English, specifically to literature and reading comprehension. Within the context of the passages provided, which describe various scenarios involving horses, riders, and encounters with nature and animals, the topic centers around interpreting narrative elements and understanding the use of descriptive language. The passages evoke vivid imagery and action-filled sequences that would typically be analyzed in a high school English or literature class to explore themes, character development, or the use of literary devices such as metaphor and personification.