Final answer:
The blank in the sentence likely refers to a tang or a similar part that fits into a file handle, comparable to matching shapes in a child's toy or a tumi with a removable handle.
Step-by-step explanation:
The sentence “The ________ fits into a wooden file handle” refers to a tool or part of a tool that is designed to be fitted into a handle, typically for the purpose of performing manual work such as filing or shaping materials. When considering how objects fit together, it is similar to a square peg fitting through a square hole and a round peg fitting through a round hole, as in a child's toy, where each shape corresponds to a specific slot. The analogy helps illustrate the importance of the correct fit between components to function properly.
Furthermore, when we look into historical artifacts such as the Knife (tumi) with a Removable Figural Handle from the Moche culture, displayed at the Walters Art Museum, we find that the concept of components fitting together is not new. The tumi's removable handle showcases a practical application where the proper fitting was crucial for the tool's use. Such examples can often be seen in various forms throughout different cultures and periods, demonstrating a universal principle in art and engineering.