The internet is a big network where computers connected with other computers to get information and to communicate.
A LAN is a local area network that connects computer in a limited area, like a school or a office.
A WAN connects lots of LANs together to make a big connection, like a bank or a company.
The WWW is a bunch of webpages on a network of computers.
Packages are bunch of items that make up a package that display things on your screen.