Why is it important to use consistent fonts in a document?

Using consistent fonts in a document enhances professionalism and readability. When all text is presented in a uniform font style, it creates a cohesive and polished appearance, which is crucial in professional and academic settings. Consistency helps to establish a clear visual hierarchy, making it easier for readers to navigate the content. It aids in maintaining focus on the message rather than distracting the reader with varying styles, which can create confusion and detract from the document's overall effectiveness.

In contrast, using multiple fonts can lead to a disjointed look and can be visually overwhelming, making it harder for readers to consume the information presented. Additionally, a consistent font helps in setting a tone for the document, supporting the intended message and creating an engaging reader experience. Therefore, focusing on a uniform font choice is key to delivering clear and effective communication.