What is the meaning of body letter?

The term "body letter" is not a standard or widely recognized term in any field, including writing, business, or law. It is possible you have heard or read this term in a specific context where it has a particular meaning.

To help me understand what you're asking, could you please provide more context? For example:

* Where did you encounter this term? (A book, website, conversation, etc.)

* What was the context surrounding the term? (Was it used in relation to writing, business, law, or something else?)

* What is your understanding of what "body letter" might mean?

With more information, I can help you understand the meaning of "body letter" as it applies to the specific situation you're inquiring about.