IT Glossary - ITU Online IT Training
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IT Glossary
Key Terms To Know In The IT Industry

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URI Scheme

A top level of the uniform resource identifier (URI) naming structure. All URIs and absolute URI references are formed with a scheme name, followed by a colon character (":"), and the remainder of the URI called the scheme-specific part.

You will find this term commonly used in Networking

URL (Uniform Resource Locator)

A URL is a web address that specifies the location of a resource, such as a webpage, file, or document, on the internet. It consists of a protocol, domain name, and optional path to the resource.

You will find this term commonly used in Networking, Web Development, General IT

URL Encoding

A method of encoding information in a Uniform Resource Locator (URL) under certain circumstances. Although it is known as URL encoding, it is, in fact, used more generally within the main Uniform Resource Identifier (URI) set, which includes both Uniform Resource Locator (URL) and Uniform Resource Name (URN).

You will find this term commonly used in Web Development

URL Shortening

A technique on the World Wide Web in which a Uniform Resource Locator (URL) may be made substantially shorter and still direct users to the desired page. Useful in messaging platforms where character count is limited.

You will find this term commonly used in Web Development

Usability

The ease of use and learnability of a human-made object such as a tool or device.

You will find this term commonly used in User Experience (UX)

Usability Heuristics

Established principles for designing user interfaces that ensure a good user experience. Popularized by Jakob Nielsen, these heuristics serve as a guideline for UI design.

You will find this term commonly used in UX Design, Software Development

Usability Testing

Usability Testing is the process of evaluating a product or system by testing it with representative users to identify any usability issues and improve user experience.

You will find this term commonly used in General IT, UX/UI Design, Software Development

USB (Universal Serial Bus)

USB is a standard interface used for connecting peripheral devices, such as keyboards, mice, printers, and storage devices, to a computer. It allows for easy plug-and-play connectivity and data transfer.

You will find this term commonly used in Hardware, General IT, Peripheral Devices

USB-C

USB-C is a type of USB connector that features a reversible design, allowing for easier and more convenient connection of devices without worrying about the orientation of the plug. It supports faster data transfer and higher power delivery.

You will find this term commonly used in Hardware, General IT, Peripheral Devices

Usenet

A worldwide distributed discussion system available on computers. It was developed from the general purpose UUCP architecture of the same name.

You will find this term commonly used in Networking, General IT

Usenet Newsgroups

A worldwide distributed discussion system available on computers, which predates modern forums and social media, where users read and post messages to one or more categories, known as newsgroups.

You will find this term commonly used in Networking, General IT

User Acceptance Criteria (UAC)

The specific criteria identified by stakeholders for a project that must be met for the project deliverables to be accepted.

You will find this term commonly used in Project Management, Software Development

User Acceptance Environment

A dedicated testing environment where end-users can validate the functionality and performance of a system or application against their requirements, before it is released into production.

You will find this term commonly used in Quality Assurance, Software Development

User Acceptance Testing (UAT)

The phase in software development where the software is tested in the real world by the intended audience.

You will find this term commonly used in Quality Assurance, Software Development

User Access Control

User Access Control is the process of managing and restricting user permissions and privileges within a system or application to ensure that users only have access to the resources and data necessary for their roles and responsibilities.

You will find this term commonly used in Security, Cybersecurity, General IT

User Authentication

User Authentication is the process of verifying the identity of a user, typically through the use of usernames, passwords, biometric data, or other credentials, before granting access to a system or application.

You will find this term commonly used in Security, Cybersecurity, General IT

User Datagram

A basic transfer unit in the Internet Protocol suite, which is a collection of network protocols used on the Internet. UDP allows applications to send messages (datagrams) to other hosts on an IP network without prior communications to set up special transmission channels or data paths.

You will find this term commonly used in Networking

User Datagram Protocol (UDP) Lite

A variant of the standard User Datagram Protocol (UDP) that is designed for applications that do not require the full error-checking and correction features of UDP, allowing partial delivery of corrupted packets.

You will find this term commonly used in Networking

User Directory

A central repository within a network or system for storing and managing information about users, such as names, passwords, and permissions.

You will find this term commonly used in Security, IT Management

User Engagement

The frequency and duration of a user's interaction with a product, platform, or service. High user engagement is often a key objective in the development of digital products.

You will find this term commonly used in General IT, Marketing

User Experience (UX) Design Principles

Fundamental principles that guide the design of user interfaces and user experiences, focusing on usability, accessibility, and desirability.

You will find this term commonly used in UX Design, Software Development

User Experience (UX) Metrics

Quantitative measures of a user's experience with a product or service. These metrics are used to track usability, satisfaction, and performance of the interaction.

You will find this term commonly used in UX Design, Software Development

User Experience (UX) Strategy

A long-term plan to align every customer touchpoint with your vision for user experience, aiming to create consistent and positive interactions with your product or service.

You will find this term commonly used in UX Design, Business Strategy

User Experience Design (UX)

User experience design (UX) is the process of enhancing user satisfaction by improving the usability, accessibility, and pleasure provided in the interaction between users and products, systems, or services throughout their lifecycle.

You will find this term commonly used in User Experience, Design, Human-Computer Interaction

User Experience Design (UXD)

User Experience Design (UXD) is the process of designing products, systems, or services with a focus on optimizing the overall user experience, including usability, accessibility, and satisfaction. It involves research, analysis, prototyping, and testing to create user-centric solutions.

You will find this term commonly used in UX/UI Design, Product Development, General IT

User Experience Design (UXD) Process

The process by which designers create products that provide meaningful and relevant experiences to users. This involves the design of the entire process of acquiring and integrating the product, including aspects of branding, design, usability, and function.

You will find this term commonly used in UX Design, Software Development

User Experience Prototyping

The process of creating simplified and incomplete models of a product or feature to explore or demonstrate usability, design, and other aspects of user experience.

You will find this term commonly used in UX Design, Software Development

User Experience Testing

The process of testing various aspects of user experience to ensure the product meets the desired usability, accessibility, ergonomics, and efficiency required by the user.

You will find this term commonly used in UX Design, Software Development

User Feedback Systems

Tools and processes that collect and analyze feedback from users to inform product development, improve user experience, and guide strategic decisions.

You will find this term commonly used in UX Design, Product Management

User Flow

A diagram or set of steps that represent the path taken by a user on a website or application to complete a task.

You will find this term commonly used in UX Design, Software Development

User Generated Content (UGC)

Any form of content, such as images, videos, text, and audio, that has been posted by users on online platforms such as social media and wikis.

You will find this term commonly used in Web Development, Social Media

User Instance

A feature of SQL Server that allows a separate instance of the database engine to be dynamically started for each user, providing a more secure and isolated environment.

You will find this term commonly used in Database Management

User Interface (UI)

User interface (UI) refers to the visual elements, controls, and interactive components of software applications or systems through which users interact and communicate with the software, including menus, buttons, forms, and graphical elements.

You will find this term commonly used in User Experience, Design, Human-Computer Interaction

User Interface (UI) Design

The process of making interfaces in software with a focus on looks or style. Designers aim to create interfaces which users find easy to use and pleasurable.

You will find this term commonly used in UX Design, Software Development

User Interface (UI) Elements

The parts of a software application or website with which a user interacts, including buttons, text fields, sliders, and any visual interface elements.

You will find this term commonly used in Software Development, UX Design

User Interface (UI) Frameworks

Collections of pre-written, standardized code arranged in a structure that developers can use to build interfaces more efficiently.

You will find this term commonly used in Software Development, Web Development

User Interface Automation

The use of software to create repeatable instructions and processes to replace or reduce human interaction with computer systems and software interfaces.

You will find this term commonly used in Software Development, QA Testing

User Interface Design Patterns

Reusable solutions to common design problems, these patterns are standard reference points for the experienced user interface designer.

You will find this term commonly used in UX Design, Software Development

User Interface Guidelines

Documented principles and standards for the design of user interfaces, aimed at ensuring consistency and usability across a software ecosystem.

You will find this term commonly used in UX Design, Software Development

User Interface Prototyping

The process of creating a model of the user interface of a website, application, or system. This prototype can be used for testing and evaluation by stakeholders before final development.

You will find this term commonly used in UX Design, Software Development

User Journey Map

A visualization of the process that a person goes through in order to accomplish a goal with your product or service. It's used for understanding and addressing customer needs and pain points.

You will find this term commonly used in UX Design, Marketing

User Mode

A CPU mode in which most applications run. This mode is less privileged than kernel mode, and applications do not have direct access to hardware or reference memory.

You will find this term commonly used in Software Development, Security

User Mode Linux (UML)

A virtual Linux machine that runs within the Linux kernel itself, allowing users to create and run multiple isolated Linux instances.

You will find this term commonly used in Virtualization, Software Development

User Mode Scheduling (UMS)

A feature that allows applications to schedule their own threads of execution, giving developers more control over thread management.

You will find this term commonly used in Software Development, Operating Systems

User Namespace

A feature of Linux that allows for the isolation of user IDs and group IDs. This is part of the broader Linux namespaces functionality that provides isolation of system resources.

You will find this term commonly used in Operating Systems, Security

User Persona

A semi-fictional character based on your current or ideal customer that helps product developers and marketers to understand the needs, experiences, behaviors, and goals of your users.

You will find this term commonly used in UX Design, Marketing

User Profile

A visual display of personal data associated with a specific user, or a set of software and hardware settings that are specific to a user's personal files, options, and desktop settings.

You will find this term commonly used in General IT, Software Development

User Profile Synchronization

The process of ensuring that user profile information is consistent across different systems or platforms, often involving the synchronization of data between directories, databases, and applications.

You will find this term commonly used in Security, System Administration

User Provisioning

The process of creating, managing, and deleting user accounts and access rights in systems, networks, and applications.

You will find this term commonly used in Security, Cybersecurity

User Provisioning Software

Software that automates the process of managing user access to various IT resources, including creating, updating, and revoking access rights.

You will find this term commonly used in Cybersecurity, IT Management

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