Today we learned how to create a whole new music website
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A mail server is like a security system were emails have to go through.A pop3 is like a internet layer that is apart of a mail sever.While a IMAP is a standard protocol.A difference pop3 you have to use it from a single computer while a IMAP you can use it from many computers

i think c Panel is an online web hosting control panel that provides a graphical interface and tools designed to simplify the process of hosting a web site. Data basis an organized collection of data. A relational database, more restrictively, is a collection of schema, tables, queries, reports, views, and other elements.

open source refers to any program whose source code is made available for use or modification as users or other developers see fit. You can use someone else ideas and make it your own