The building constructed will have at least R-38 insulation rating for the ceiling and R-28 for the walls. This is an example of the in a project charter.

Project description.

Explanation:

'Project charter' is described as the statement that involves the description of scope/range, participants, or goals of a particular project along with the introductory description about the division of duties and responsibilities, the authority of the manager of the project, an outline of the key objectives, etc.

As per the given description, the details of the objectives of the project like 'R-38 insulation rating for the ceiling', 'R-28 for the walls' exemplify the 'project description' that is stated in a project charter. These descriptions aim to briefly outline the key objectives that need to be accomplished in order to ensure the effective execution and success of the project.