(ū´z&r di-fīnd´ funk´sh&n) (n.) A programmed routine that has its parameters set by the user of the system. User defined functions often are seen as programming shortcuts as they define functions that perform specific tasks within a larger system, such as a database or spreadsheet program.
- user-centered design (UCD)
User-centered design (UCD) is a design philosophy where the end-user’s needs, wants and limitations are a focus at all stages within the design process and development lifecycle. Products developed using the UCD methodology are optimized for end-users and emphasis is placed on how the end-users need or want to use a product instead of forcing […]
- user-agent client
Abbreviated as UAC, in VoIP, a client application in an SIP system that initiates the SIP request that is sent to the UAS. The combination of the UAC and the UAS is called the SIP user agent. The SIP user agent allows peer-to-peer calls to be made using a client-server protocol.
- user agent
In Google Analytics, user agent is a term used to mean any program used for accessing a Web site. This includes browsers, robots, spiders and any other program that was used to retrieve information from the site.
An individual who uses a computer. This includes expert programmers as well as novices. An end user is any individual who runs an application program.
Usability is a Web site design phrase that describes how well visitors can use a Web site. Good usability requires that the site be easy to navigate, have a decent layout, be consistent across all pages, and also be informative and useful to the visitor.