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Application
A web application or web app is a client–server computer program which the client (including the user interface and client-side logic) runs in a web browser. Common web applications include webmail, online retail sales, online auction, booking system and many more.
An emerging strategy for application software companies is to provide web access to software previously distributed as local applications. Depending on the type of application, it may require the development of an entirely different browser-based interface, or merely adapting an existing application to use different presentation technology. These programs allow the user to pay a monthly or yearly fee for use of a software application without having to install it on a local hard drive. A company which follows this strategy is known as an application service provider (ASP), and ASPs are currently receiving much attention in the software industry.
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Application
There are plenty of application readily available, both Paid or Free versions. There are business applications provided as SaaS for enterprises for fixed or usage dependent fee. Other web applications are offered free of charge, often generating income from advertisements shown in web application interface.
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Templates
Web developers can use templates from any individual or organization to set up a website. Once they purchase or download a template, they replace all generic information in the web template with their personal, organizational, or product information. Templates are commonly used to:
1. Display personal information or daily activities as in a blog
2. Sell products online
3. Display information about a company or organization
4. Display family history
5. Display a gallery of photos
6. Place music files such as MP3 files on-line for play through a web browser
7. Place videos online for public viewing
8. Set up a private login area online
