Password
A secret string which is known only to the user and the system which the use can enter to prove their identity and thus authenticate themselves to the system.

PHP
PHP is a recursive acronym for "PHP Hypertext Preprocessor". It is an open source, interpretive, HTML centric, server side scripting language. PHP is especially suited for Web development and can be embedded into HTML pages. Also see PSP, JSP and ASP.

Pixel
 

Primary key
A column in a table whose values uniquely identify the rows in the table.

Primary Server
On our Registrars Agreement, the section where the registrant indicates the host name and Internet Protocol (IP) number of the name server that will contain authoritative information for the domain name and will be used to resolve that domain name to its corresponding IP number(s). The designation of "primary" means that this name server will be used first and will be relied upon before any of the other name servers that may be listed on the Domain Name Registration Agreement. The primary server section of the Agreement is a required section and the domain name registration will not be processed unless this section of the Domain Name Registration Agreement is completed properly.

Privacy
On the Internet, privacy and associated software products, a major concern of users, can be divided into these concerns - What personal information can be shared with whom - Whether messages can be exchanged without anyone else seeing them - Whether and how one can send messages anonymously.

Protocol
A set of procedures for establishing and controlling data transmission.