Packet
A packet is a package of information that is distributed on the Internet. Data is transmitted by packet switching and each packet contains user data as well as control data. Networks using such data can address multiple target users and eliminate some errors.
PPC
PPC, also known as Pay Per Click, means pay per click. Primarily, it refers to the clicking of advertisements, most often in the form of a small banner, where the advertiser pays only for the actual clicks of users.
Plugin
A plugin could be seen simply as an extension. In IT, it is an extension of a program, application or other software component. A plugin is also referred to as a plug-in.
Portal
A gateway, a website that is intended for a wide range of users and allows access to a large variety of information. The portals allow the operation of e-shops, their own e-mail box, full-text search is possible with them.
Pixel
A pixel is the basic and smallest unit of a digital image, a bitmap graphic. Basically, it is every single indivisible point of a particular color on a monitor. The collection of pixels then forms the overall image we see. The individual pixels are not arranged randomly, in fact they form a precise grid so that each point can be precisely specified and identified.
Persona
A model representative of your target group, for whom you are doing "it". It is essential to get to know your customers and then create personas based on demographic, economic, etc. criteria. Always ask questions: Is this content really going to interest Emma (the persona)? Who am I actually doing this for? An example of what a persona might look like:
Proto-persona
See Persona, except that we can't use real data to create proto-personas because they are created before we have customers for a specific product/service (e.g. before we open an e-shop.)
Podcast
Podcast is a popular form of content on the internet. It is spoken word in mp3 form. The term was coined from a combination of the words "iPod" (Apple's mp3 player) and "broadcasting" or "broadcast". A podcast is a post of the usual length of several dozen minutes. Often it is an interview with an interesting personality or a talk by the author himself on topics of interest to his target audience. One of the better-known podcasts is by Tim Ferris, an American writer of motivational literature.
Pop-up window
Pop-up - often an advertisement that overlays the content of the web page (or program) you are viewing. A pop-up ad often forces you to click on its content to see the content you are interested in. While this is still a common feature of programs and especially websites nowadays, it is also very user-unfriendly and search engines are slowly starting to put websites with this kind of advertising at a disadvantage.
Prefix
The prefix is used when creating variable names and other identifiers. In the case of WordPress, for example, it can be the prefix "wp_" for tables.