Browse Definitions By Topic
- Business software
- Cloud computing
- Computer science
- Data analytics and AI
- Data centers
- IT management
- Networking
- Security
- Software development
Business software
Search or browse for definitions related to the procurement, implementation and management of line of business software applications that are vital to running an enterprise.

- Enterprise resource planning (ERP)
- Human resources management
- Marketing and customer experience
- Microsoft
- Software applications
Recently Published Definitions
- death by PowerPoint
Death by PowerPoint is a phenomenon caused by the poor use of presentation software.
- cmdlet
A cmdlet -- pronounced 'command-let' -- is a small, lightweight command that is used in the Windows PowerShell environment.
Cloud computing
Terms related to cloud computing, including definitions about on-demand, distributed computing and words and phrases about software-as-a-service, infrastructure-as-a-service and storage-as-a-service.

Recently Published Definitions
- hosting (website hosting, web hosting and webhosting)
Web hosting -- also known as website hosting or webhosting -- is the process where a web hosting provider stores and maintains website files and ...
- vCard
A vCard is an electronic business or personal card and also the name of an industry specification for the kind of communication exchange that is done...
Computer science
Definitions about computer science including computing fundamentals vocabulary, protocol and standards terminology, words about microprocessors and terms used in electronics.

Recently Published Definitions
- RISC (reduced instruction set computer)
RISC (reduced instruction set computer) is a microprocessor that is designed to perform a smaller number of computer instruction types, so it can ...
- clock speed
Clock speed is the number of times a second that a circuit operates and is most associated with the central processing unit (CPU).
Data analytics and AI
This glossary contains definitions related to customer data analytics, predictive analytics, data visualization and operational business intelligence. Some definitions explain the meaning of words used to Hadoop and other software tools used in big data analytics. Other definitions are related to the strategies that business intelligence professionals, data scientists, statisticians and data analysts use to make data-driven decisions.

Recently Published Definitions
- Asilomar AI Principles
Asilomar AI Principles are 23 guidelines for the research and development of artificial intelligence (AI).
- deepfake
Deepfake AI is a type of artificial intelligence used to create convincing images, audio and video hoaxes.
Data centers
Definitions used in data center management, including hardware, virtualization and cloud computing.

- Data backup and disaster recovery
- Data center management
- Linux
- Operating systems
- Storage administration
- Storage architecture
- Virtualization
Recently Published Definitions
- operating system (OS)
An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application ...
- VUCA (volatility, uncertainty, complexity and ambiguity)
VUCA is an acronym that stands for volatility, uncertainty, complexity and ambiguity -- qualities that make a situation or condition difficult to ...
IT management
Learn about the core elements of IT management, including operations, tech support and personal computing, as well as terms related to IT careers, certifications and project management.

- Certifications
- IT career paths
- IT operations
- Personal computing
- Project management
- Technical support
Recently Published Definitions
- triple bottom line (TBL)
The triple bottom line (TBL) is a sustainability-based accounting framework that includes social, environmental and financial factors as bottom-line ...
- project constraint
A constraint in project management is any restriction that defines a project's limitations.
Networking
Definitions about networking including routing and switching vocabulary, telecom terminology and words about email, messaging and mobile.

- High-speed networks
- Network administration
- Network hardware
- Networking and communications
- Wireless and mobile
Recently Published Definitions
- print server
A print server is a software application, network device or computer that manages print requests and makes printer queue status information available...
- decibels relative to isotropic (dBi)
Decibels relative to isotropic (dBi) is a unit of measurement that describes how much power an antenna transmits in a single direction when compared ...
Security
This cyber security glossary explains the meaning of terms about different types of computer security threats as well as words about application security, access control, network intrusion detection, security awareness training and computer forensics.

- Authentication and access control
- Compliance, risk and governance
- Network security
- Security management
- Threat management
Recently Published Definitions
- forensic image
A forensic image (forensic copy) is a bit-by-bit, sector-by-sector direct copy of a physical storage device, including all files, folders and ...
- FACTA (Fair and Accurate Credit Transactions Act)
FACTA (Fair and Accurate Credit Transactions Act) is an amendment to FCRA (Fair Credit Reporting Act ) that was added, primarily, to protect ...
Software development
Definitions related to software development, including tech terms about programming and words and phrases about Scrum, Agile and waterfall methodologies.

Recently Published Definitions
- class library (in object-oriented programming)
In object-oriented programming, a class library is a collection of classes and other reusable software components, such as interfaces and value types.
- method (in object-oriented programming)
In object-oriented programming (OOP), a method is a programmed procedure that is defined as part of a class and is available to any object ...
Word of the Day
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voice over LTE (VoLTE)
Voice over LTE (VoLTE) is a digital packet technology that uses 4G LTE networks to route voice traffic and transmit data.
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ONOS (Open Network Operating System)
Open Network Operating System (ONOS) is an OS designed to help network service providers build carrier-grade software-defined ...
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three-factor authentication (3FA)
Three-factor authentication (3FA) is the use of identity-confirming credentials from three separate categories of authentication ...
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cyber espionage
Cyber espionage (cyberespionage) is a type of cyber attack that malicious hackers carry out against a business or government ...
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project charter
A project charter is a formal short document that states a project exists and provides project managers with written authority to...
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leadership
Leadership is the ability of an individual or a group of people to influence and guide followers or members of an organization, ...
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employee engagement
Employee engagement is the emotional and professional connection an employee feels toward their organization, colleagues and work.
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talent pool
A talent pool is a database of job candidates who have the potential to meet an organization's immediate and long-term needs.
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sales development representative (SDR)
A sales development representative (SDR) is an individual who focuses on prospecting, moving and qualifying leads through the ...
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service level indicator
A service level indicator (SLI) is a metric that indicates what measure of performance a customer is receiving at a given time.