1) Package
2) Copying package onto server
3) Installing a package
4) An installed package
5) An installed package doesn't have an ACS object id. It is not an ACS package, rather it is a record in apm_package_types identified by package_key.
6) Instantiating and mounting a package.
7) Mounted package instance
8) Package ID (package_id)
9) The same package instance mounted at a different URL (unusual).
10) A different package instance mounted at a different URL.
11) Mountable package
12) Non-mountable package.
