I'm pretty sure it is Theme.
Theme is the central topic of the text. passage, story, or anything else. So it may possibly also be the same for the underlying meaning and universal truth...but again, I am not sure.
Answer: This image is depicting a group of soilders. The background suggests that they are practicing formation and walking as a group. They seem to be wearing out of the ordinary outfits with their regular military uniform. The overall image suggests they may be soilders of a different country, judging from the outfits.
Explanation:
:)
Deep in the Antartic wastelands, within one of the numerous penguin colonies there was a penguin who was different. He did not look like the other penguins; he did not think like other penguins. He was an anomaly. For a start, he wore horned-rimmed glasses that he found lying on the wreckage of an ancient whaling ship that floundered and was stuck in the ice close to where he lived. All the other penguins mocked him for wearing glasses. What they did not know, was that he loved reading the books found on the whaling ship.