LAMP
The combination of several free, open source software packages including Linux, Apache, MySQL, and PHP which are the principal components needed to build a viable general purpose web server. Also called a Web stack, a LAMP stack uses Linux as the operating system, Apache as the Web server, MySQL as the database, and PHP as the object-oriented scripting language.

landing page
A page on your site where a visitor arrives after clicking a link or advertisement.

link juice
The value and authority transferred from one web page to another via hyperlinks (or links). Link juice affects a website’s page rank, a factor used to rank a search engine results page.

locale
A set of configurations that defines the website’s language, country, tax rate, and other settings.