What is the best type of object to use?

Your company purchases an application named App1. App1 is installed by using a Windows
Installer (MSI) package. App1 will be uninstalled and updated frequently.
You need to deploy App1 by using Microsoft System Center 2012 R2 Configuration Manager.
What is the best type of object to use? More than one answer choice may achieve the goal. Select
the BEST answer.

A.
an application

B.
an automatic deployment rule

C.
a package

D.
a configuration item

Explanation:
http://prajwaldesai.com/create-automatic-deployment-rule-in-sccm-2012-r2/