Training & Technology Glossaries
Explore clear, practical definitions across Microsoft applications and Copilot, data, artificial intelligence, cyber security, networking, cloud computing, project management, DevOps, business analysis and IT service management. Our subject and vendor-specific glossaries provide detailed A–Z references to help learners and professionals understand the terminology they encounter in training and the workplace.
MICROSOFT EXCEL
Excel Glossary
Browse an A–Z guide to key Microsoft Excel terms, functions and features, with clear explanations covering formulas, worksheets, data tools, charts and everyday spreadsheet concepts.
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DATA & ANALYTICS
Power BI Glossary
Understand essential Power BI terminology including DAX, Power Query, semantic models, reports, dashboards, data modelling and Microsoft Fabric concepts.
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IT SERVICE MANAGEMENT
ITIL & IT Service Management Glossary
Explore key ITIL and IT service management terminology covering services, value, incidents, problems, change, continual improvement and other important ITSM concepts.
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PROJECT MANAGEMENT
Project Management Glossary
Understand key project terminology covering scope, risk, stakeholders, milestones, governance, Agile, PMO, programmes and portfolios.
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ARTIFICIAL INTELLIGENCE
AI Glossary
Explore AI terminology including generative AI, machine learning, LLMs, prompts, RAG, agents, embeddings and responsible AI.
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CYBER SECURITY
Cyber Security Glossary
Learn common cyber security terms covering malware, phishing, zero trust, MFA, SIEM, SOC, vulnerabilities and incident response.
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DATA ANALYTICS
Data Analytics Glossary
Understand data analytics terminology covering ETL, data modelling, KPIs, dashboards, SQL, warehouses, statistics and business intelligence.
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BUSINESS ANALYSIS
Business Analysis Glossary
Explore requirements, stakeholders, BPMN, process modelling, gap analysis, MoSCoW, use cases and business change terminology.
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DEVOPS
DevOps Glossary
Learn DevOps terminology covering CI/CD, Git, containers, Kubernetes, infrastructure as code, DevSecOps, SRE and observability.
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MICROSOFT AZURE
Microsoft Azure Glossary
Understand Azure services, subscriptions, resource groups, Entra ID, virtual machines, VNets, storage, RBAC and cloud architecture.
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MICROSOFT 365
Microsoft 365 Glossary
Explore Microsoft 365 terminology covering Teams, SharePoint, OneDrive, Outlook, Entra ID, Exchange Online, Copilot and collaboration.
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DATA CENTRES
Data Centre Glossary
Learn data centre terminology covering racks, UPS, PDUs, cooling, redundancy, colocation, DCIM, resilience and Tier levels.
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CLOUD COMPUTING
Cloud Computing Glossary
Understand cloud terminology including IaaS, PaaS, SaaS, public and hybrid cloud, regions, serverless computing and containers.
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AMAZON WEB SERVICES
AWS Glossary
Explore AWS terminology covering EC2, S3, Lambda, IAM, VPC, RDS, Bedrock, EKS, CloudFormation, serverless computing and cloud architecture.
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CISCO
Cisco Glossary
Understand Cisco and networking terminology covering routing, switching, IOS XE, Catalyst, Meraki, SD-WAN, wireless, security and certification concepts.
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COMPTIA
CompTIA Glossary
Learn essential IT terminology spanning hardware, operating systems, networking, cloud, Linux, servers, cybersecurity, data and CompTIA certification pathways.
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EC-COUNCIL
EC-Council Glossary
Explore ethical hacking and cybersecurity terminology covering CEH, penetration testing, network defence, SOC operations, threat intelligence, forensics and incident response.
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MICROSOFT COPILOT
Microsoft Copilot Glossary
Understand Microsoft Copilot terminology covering agents, Copilot Studio, Work IQ, Cowork, grounding, prompting, Researcher, Analyst, governance and responsible AI.
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PRINCE2 PROJECT MANAGEMENT
PRINCE2 Glossary
Explore PRINCE2 Project Management Version 7 terminology covering principles, practices, processes, roles, management products, people, governance, risk and quality.
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Explore any glossary above to browse definitions from A to Z.
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