Final answer:
Not all characters in literature are round and dynamic as it would complicate the narrative and distract from main themes. Flat characters serve specific roles and maintain story clarity, while round characters offer depth and development.
Step-by-step explanation:
In literature, not all characters can be round and dynamic because such complexity in every character might overcomplicate the story and lead to a lack of focus on the central themes or plot developments. Flat characters, often used for supporting roles, are two-dimensional and tend not to change throughout the story. They are typically straightforward enough to be described in a few sentences and serve specific purposes, such as to highlight traits in the main character or move the plot forward in a certain direction. Round characters, in contrast, have complex personalities, undergo development, and are capable of surprising readers with their unpredictability, similar to real people. An ideal narrative might include a mix of both types, allowing for a dynamic central cast while using flat characters to maintain simplicity and clarity. Additionally, factors like limited word count in short stories or the necessity for plot simplicity might limit the number of round and dynamic characters. In E.M. Forster's analysis, this blend of character types helps achieve a balance between relatable human experiences and the structural needs of the narrative.