You can use sections to make (or fence in) other formatting changes on different pages in your document. It's easier to find and delete a section break when you turn on Show/Hide. Click Home, and then click Show/Hide to show section breaks and paragraph marks.

• The Internet is called ‘Network of Networks’ because it is a global network of computers that are linked together by cables and telephone lines making communication possible among them. It can be defined as a global network over a million smaller heterogeneous computer networks. 

• The network which consists of thousands of networks spanning the entire globe is known as the Internet. 

• The Internet is a worldwide collection of networked computers which are able to exchange information with each other very quickly.

 • Most people use the Internet in two ways E-mail and the World Wide Web. On the Internet most computers are not connected directly they are connected to smaller networks which in turn are connected through gateways to the Internet backbone.

• A gateway is a device that connects dissimilar networks. A backbone is a central interconnecting structure that connects one or more networks.

Barriers are of two types –– internal and external.

Examples of internal barriers are fatigue, poor listening skills, attitude toward the sender or the information, lack of interest in the message, fear, mistrust, past experiences, negative attitude, problems at home, lack of common experiences, and emotions. Examples of external barriers include noise, distractions, e-mail not working, bad phone connections, time of day; sender used too many technical words for the audience, and environment.

Barriers prevent the intended message from reaching to the receiver correctly, so while communicating one must monitor the actions of the receiver. Watch the body language to ensure the message is received correctly.

Some of the barriers to communication are:

A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web. When a user requests a web page from a particular website, the web browser retrieves the necessary content from a web server and then displays the page on the user's device. A web browser, or simply "browser," is an application used to access and view websites. Common web browsers include Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, and Apple Safari. ... For example, Ajax enables a browser to dynamically update information on a webpage without the need to reload the page.

External link is a type of linking that goes to another Website. It is a linking of two different documents. 

Online reservation systems reduce workloads for your staff and optimize customer service. These platforms can make sure that bookings are synced and the availability is updated with each booking processing. A good hotel reservation system makes the work process carefree. One of the main benefits of online booking systems is that they allow customers to place their booking at a time that is most convenient for them. Using an online booking system, they can make their booking at any time of day or night, without having to worry if it's within business hours or not.

In information technology, header refers to supplemental data placed at the beginning of a block of data being stored or transmitted. In data transmission, the data following the header is sometimes called the payload or body.