Final answer:
The arrangement of text and visual elements in children's stories is known as an informal pattern, which is a less structured but creative organization that enhances the unity and coherence of the story.
Step-by-step explanation:
The arrangement of text and visual elements in children’s stories is known as a pattern. This pattern refers to how textual and visual content is organized and presented within a book. In storytelling, patterns can be chronological or may branch out in different directions, offering a variety of shapes and forms. These patterns provide unity to the literary and artistic work, making the story coherent and engaging for the reader. For example, the repetition of words, ideas, and images helps to connect different parts of the text and emphasizes elements that are significant to the overall meaning of the story. The correct answer to the question about the arrangement of text and visual elements in children’s stories is option c. informal pattern, as it suggests a less rigid and more creative organization that can be found in children’s literature.