Final answer:
The thematic concepts of "Snow White and Rose-Red" are sisterhood, kindness, transformation, and love, reflecting the Romantic period's emphasis on these narrative elements and their consistent presence in fairy tales.
Step-by-step explanation:
The thematic concepts of "Snow White and Rose-Red" reflect the narrative's underlying messages and values, which readers are encouraged to interpret and examine. One can deduce that the themes include sisterhood, illustrating the bond and support between the two sisters, kindness, as seen in their benevolent acts towards the bear and the dwarf, transformation, signaled by the bear's change into a prince, and love, which ultimately encompasses the affection between characters and the happy resolutions typical of fairy tales.
These themes align closely with common subjects in literature during the Romantic period, which emphasized love, kindness, and the beauty of nature, and can be linked to patterns seen in storytelling throughout history, from medieval lore to modern adaptations of fairy tales.