SAAS
SAAS stands for software as a service. It is a software distribution model whereby software applications are centrally hosted and licensed on a subscription basis.

Search engine
A search engine enables a computer user to search information on the Internet. It is a type of software that creates indexes of databases or Internet sites based on the titles of files, keywords, or the full text of files. The most popular search engines areGoogle.com.au, Yahoo.com.au and Bing.com.au.

SSL
SSL, or secure sockets layer, is a protocol that allows Internet users to send encrypted messages across the Internet. It is generally used when transmitting confidential information (e.g. personal data or credit card details). A web address that begins with "https" indicates that an SSL connection is in use.

SEO
SEO, or search engine optimisation, is the practice of making adjustments to certain aspects of a website in an effort to improve its ranking on search engines.