Mobile Switching Center
Abbreviated as MSC the mobile switching center connects calls by switching the digital voice data packets from one network path to another (also called routing). The MSC also provides the information that is needed to support mobile service subscribers, such as user registration andauthentication information.

Customer Service Center
Also called a contact center, a customer service center is a type of call center  that is equipped to handle large amounts of customer telephone requests for an organization -- in addition to handling other customer communications -- from a single facility.While a call center mainly focuses on telephone communications, a customer service center will typically handle additional types of customer communications such as letters, e-mail, faxes, and live chat, in addition to telephone communications.
A customer service center is equipped to route communications to the correct employees within an organization and is further defined as a part of an organization’s overall CRM (customer relationship management) strategy.

Data Center Consolidation - IT Consolidation
The phrase data center consolidation (also called "IT consolidation") refers to an organization's strategy to reduce IT assets by using more efficient technologies.
Some of the consolidation technologies used in U.S. data centers today include server virtualization, storage virtualization, replacing mainframes with smaller blade server systems, cloud computing, better capacity planning and automation tools.
Data center consolidation is a common consideration for organizations that plan to reduce the size of a single facility or merge one or more facilities in order to reduce overall operating costs and reduce IT footprint.

Black Hat SEO
In search engine optimization (SEO) terminology, Black Hat SEO refers to the use of aggressive SEO strategies, techniques and tactics that focus only on search engines and not a human audience, and usually does not obey search engines rules. Some examples of Black Hat SEO techniques include keyword stuffing, invisible text anddoorway pages. Black Hat SEO is more frequently used by those who are looking for a quick financial return on their Web site, rather than a long-term investment on their Web site. Black Hat SEO can possibly result in your Web site being banned from a search engine, however since the focus is usually on quick high return business models, most experts who use Black Hat SEO tactics consider being banned from search engines a somewhat irrelevant risk. Black Hat SEO may also be referred to as Unethical SEO or just  spamdexing, as spamdexing is a typical frequently used Black Hat SEO practice.

Organic SEO
Organic SEO (search engine optimization) is the phrase used to describe processes to obtain a natural placement on organic search engine results pages (SERPs).Some examples of techniques used for organic SEO include using keywords and keyword analysis, backlinking, link building to improve link popularity, and writing content relevant for human readers.