What statement IS true about the RACI chart $($aka the Responsibility Assignment Matrix$)?$

What statement IS true about the RACI chart $($aka the Responsibility Assignment Matrix$)?$

It identifies what specific person will be responsible for each work package$/$task in the project.

It describes in high level terms exactly what the project team will deliver to the "client".

It specifies the mapping of tasks to work packages.

It identifies which departments $/$ functional units are going to be responsible for $($or the "owners" of$)$ each work package.