Page View:

A Web page, which can be of any length and can contain any Number of graphic images. The HTML page itself and every image are each considered a hit. Thus, one page view is one hit only if there are no graphics on the page.

Unique Visitors:

A count of how many different people access a Web Site. For example, if a user leaves and comes back to the site five times during the measurement period, that person is counted as one unique visitor, but would count as five “user sessions.”

Unique visitors are determined by the number of unique IP addresses on incoming requests that a site receives, but this can never be 100% accurate. Depending on configuration issues and type of ISP service, in some cases, one IP address can represent many users; in other cases, several IP addresses can be from the same user.

Visitor or Visit:

A person who accesses a Web site. On the Web, the terms “visitor” and “user” are synonymous.

Hits:

The number of times a program or item of data has been accessed or matches some condition. For example, when you download a page from the Web, the page itself and all graphic elements that it contains each count as one hit to that Web site. If a Search yields 100 items that match the searching criteria, those 100 items could be called 100 hits.

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Conversion Funnel:

It’s a defined path consist of pages or several steps that a visitor need to take in order to reach the final objective or action of the website, example of that is purchasing a product or subscribing to a newsletter or registration or even reading an article.

Conversion Ratio:

It’s the percent of dividing the number of visitors who make a purchase or perform the website objective to the total number of visitors.

Segmentation:

A technique which involves grouping website numbers and data into segments, and treating each segment separately. The segments are usually found from total visitors, referring URLs, surveys and so on.

Social Media

According to http://en.wikipedia.org/wiki/Social media: Social media describes the online technologies and practices that people use to share opinions, insights, experiences, and perspectives with each other.

Bounce Rate:

According to Wikipedia, a bounce occurs when a website visitor leaves a page or a site without visiting any other pages before a certain Session Timeout elapses. It is important to note that there is no standard minimum or maximum time limit a visitor must leave by in order for a bounce to occur. Rather, this is determined by the session timeout of the analytics tracking software. A commonly used session timeout value is 30 minutes. In this case, if a visitor views a page and leaves his browser idle for 31 minutes, they will register as a “Bounce”. If they then continue to navigate after this delay, a new session will occur and the last page they view before exiting or timing out again will result in another “Bounce”. Thus, it is important to note the dependency between bounces and sessions.

Web Traffic:

What is traffic, according to Answers.com it’s the flow of data around the Internet. It includes web traffic, which is the amount of that data that is related to the World Wide Web, along with the traffic from other major uses of the Internet, such as electronic mail and peer-to-peer networks.

Http Referrals:

Now, what is the referrals, according to the same source above; The referrer, or HTTP referrer, identifies, from the point of view of an internet webpage or resource, the address of the webpage (commonly the URL, the more generic URI or the i18n updated IRI) of the resource which links to it. By checking the referrer, the new page can see where the request came from.

SERP:

Acoording to Wikipedia, a Search Engine results page, or SERP, is the listing of web pages returned by a search engine in response to a keyword query. The results normally include a list of web pages with titles, a link to the page, and a short description showing where the keywords have matched content within the page. A SERP may refer to a single page of links returned, or to the set of all links returned for a search query.