Solution

Explanation

The document that is used to communicate within an organization is commonly referred to as "memorandum" or "memo" for short. A memorandum is a written message used for internal communication within an organization. Memos are typically used to convey information, announce decisions, provide updates, or make requests to individuals or departments within the same organization. They are a quick and efficient way to disseminate information and facilitate communication among employees or members of an organization.