Here is a simple list of definitions that may help when talking with clients that I have found and pulled together from all over the web.
A document or diagram used for planning a web site or a page on a web site for accessibility and SEO purposes. It lists the pages of a web site in an organised and hierarchical fashion and can show the links between pages.
A document or diagram used used to suggest the fundamental layout of elements used in a web interface.
Search engine optimization (SEO)
The use of various techniques to improve a web site’s ranking in the search engines and thus attract more visitors.
Cascading Style Sheets (CSS)
A style sheet language most common used to style web pages (formatting) written in HTML and XHTML.
Websites navigation where all navigational items (or buttons) are contained in a bulleted lists and can be updated to add or remove items easily as the website grows and changes.
World Wide Web Consortium (W3C) is a recognized Web standards group. It develops and publishes specifications, software, guidelines, and tools for the Web, including HTML and accessibility standards.
Content management system (CMS)
Software used to enter, edit, import, export, schedule and publish websites and other files and information.
Internet marketing, also referred to as i-marketing, web-marketing, online-marketing, or e-Marketing, is the marketing of products or services over the Internet.
An e-newsletter (also called e-zine) is a newsletter sent via e-mail to subscribers.