The body of a notice contains the actual information, instructions, or details being conveyed.

Explanation:
The part of a notice that includes the actual information or details is the body of the notice.

Body:
- The body of a notice contains the main content and provides all the necessary information or details related to the notice.
- It is the most important part of the notice as it conveys the purpose, message, and any relevant instructions or announcements.
- The body should be clear, concise, and organized, presenting the information in a logical manner.
- It may include headings or subheadings to categorize different sections of the notice.
- The body should answer the questions of who, what, when, where, why, and how, ensuring that readers have a complete understanding of the notice.
- The information in the body should be accurate, relevant, and up-to-date.

Example:
Suppose the notice is about a school picnic. The body of the notice may contain the following information:

- Date and time of the picnic
- Venue or location of the picnic
- Details of transportation arrangements
- Picnic activities or games
- Food arrangements or instructions for bringing packed lunches
- Contact information of the organizers
- Any additional instructions or requirements

It is important for the body of the notice to provide all the necessary information in a clear and organized manner to ensure that the intended audience can easily understand and act upon the information provided.

In conclusion, the body of a notice includes the actual information or details that are essential for the readers to understand the purpose, message, and instructions conveyed by the notice.