Which type of document is best suited for quick internal communication?

A memo is best suited for quick internal communication primarily due to its concise format and focus on delivering information efficiently. Memos typically address specific issues, announcements, or updates within an organization, allowing for a straightforward conveyance of ideas or directives among team members or departments. Their informal tone and straightforward structure enable swift comprehension, making them ideal for rapid communication.

In contrast, reports are usually more detailed documents that require in-depth analysis and may involve extensive data or findings, making them less suitable for quick communication. Letters tend to be more formal and often used for external communication or when a more personal touch is necessary, which can slow down the transmission of information. Proposals require careful planning and are designed to outline plans or suggestions thoroughly, thus not fitting the need for quick communication. Therefore, a memo stands out for its practicality in facilitating rapid internal exchanges.