A few web related terms communicated in the simplest way I know 🙂

Pagination refers to the process of creating multiple pages for content items.

Vertical Scaling refers to adding memory, ram, or disk space to a server so it can support a larger website

Horizontal Scaling refers to splitting up a website between multiple servers to support a very large and popular website

Front End refers to the side of the site that the end user sees, and can also refer to “front end” or open source languages which are HTML, DHTML, Javascript, and CSS.

Back End refers to actual code of the site, typically the non-open source language that processes the page and determines what will be displayed without the user knowing.  Such as PHP, CGI, and Ruby.

Caching there are several ways to cache.  Basically caching creates a copy of content on a website so it can be loaded faster.

Server Side Scripts Server Side scripts are the codes that generate the page through the server before the user ever sees a thing. (PHP, PERL, ect.)

Open Source Open sources languages consist of all languages that you can view when viewing the source of a page from a browser which includes CSS, HTML, and Javascript.  Open Source can also refer to applications where all the code has been released to the public.

Online Community A forum where users can interact online, can also be expanded on to a Social Network which offers many more features where users can find and interact with each other.

Social Media Twitter, Facebook, and any application where users create and share content with each other

Streaming this is the process where a video or audio file will download while you watch/listen to it so you don’t need to wait for the entire file to load

Syntax The rules that must be followed to write properly structured code