Final answer:
The Farquars thanked Gideon by expressing their gratitude, which in literature can take many forms, including words, gifts, or actions. An example given is Jane giving a bag of gold to show her thanks in a story.
Step-by-step explanation:
The question pertains to a specific event in a story where the Farquars express their gratitude to a character named Gideon for curing someone named Teddy. In literature, characters often show thanks through various means such as verbal expression, gifts, or deeds. The text provides an example where Jane, to thank the rider, retrieves a bag of gold and presents it as a token of gratitude. There is a strong emphasis on the value of gratitude in these narratives, and it's presented as a key element in the relationship dynamics between characters.