Agile & Scrum
Sprint, backlog, velocity, retrospective, epic, story points — the vocabulary every team member hears daily.
Vocabulary
IT vocabulary organised by topic — terms your team actually uses in code reviews, documents, and daily conversation. Each module builds on the previous one.
✓ You’ve studied 0 terms across all modules
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Learning paths by role
Start with the modules most relevant to your role — then expand from there.
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JavaScript & TypeScript
Closure, Promise, type narrowing, generics, destructuring — core JS/TS vocabulary for code reviews and architecture discussions.
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DevOps & Cloud
Pipeline, artifact, blue-green deployment, IaC, SLO, error budget — the vocabulary of cloud-native engineering.
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CSS & Frontend Architecture
Specificity, BEM, CSS custom properties, Flexbox vs Grid, utility classes — concepts behind every frontend code review.
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Git & Version Control
Commit, rebase, cherry-pick, bisect, detached HEAD, interactive rebase — 30 terms every developer discusses.
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Cloud Infrastructure
VPC, load balancer, auto-scaling, CDN, availability zone, managed service — AWS, GCP, and Azure vocabulary.
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Databases & SQL
Index, transaction, ACID, N+1 query, query plan, normalisation — vocabulary for backend engineers and data engineers.
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Cybersecurity
Threat model, attack surface, CVE, zero-day, OWASP, principle of least privilege — security vocabulary for all engineers.
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API Design
REST, GraphQL, idempotency, pagination, rate limiting, versioning — vocabulary for anything that communicates over HTTP.
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Data Science & ML
Feature, training data, overfitting, precision vs recall, pipeline, inference — vocabulary for ML engineers and data scientists.
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Software Architecture
Microservices, event-driven, CQRS, domain model, coupling, cohesion — vocabulary for system design and architecture discussions.
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Soft Skills for IT
Escalation, stakeholder, trade-off, alignment, pushback, scope creep — the vocabulary behind team communication and project management.
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IT Fundamentals
Hardware, software, server, client, bug, deploy, production — the core terms every IT professional must know before anything else.
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Networking & Protocols
IP address, DNS, TCP/UDP, TLS, load balancer, CDN, WebSocket, HTTP status codes — vocabulary for every engineer who touches the web.
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Linux & Command Line
Shell, daemon, pipe, process, signal, cron, permission, SSH, symlink — the vocabulary you need to navigate any terminal confidently.
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Data Structures & Algorithms
Array, linked list, hash map, Big O notation, recursion, binary search, DFS, dynamic programming — interview-ready CS vocabulary.
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UI/UX Design
Wireframe, mockup, prototype, user flow, WCAG, design system, CTA, skeleton screen, affordance — vocabulary for developers working with design teams.
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Testing & QA
Unit test, integration test, mock, stub, TDD, regression, flaky test, test pyramid, load test — vocabulary for quality-focused engineers.
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Mobile Development
Native app, deep link, APK, push notification, cold start, code signing, OTA update, haptic feedback — iOS and Android vocabulary.
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Agile & Lean
Kanban, WIP limit, lean, MVP, cycle time, lead time, OKRs, SAFe, definition of ready, flow efficiency — advanced agile vocabulary.
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Developer Tooling
IDE, debugger, linter, formatter, package manager, profiler, REPL, breakpoint, hot reload, dotfiles — vocabulary for your daily workflow.
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Open Source & Community
License, fork, maintainer, CONTRIBUTING.md, SemVer, upstream, bus factor, RFC, hackathon — vocabulary for contributing to open source.
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AI Agents & Agentic Systems
Agent loop, ReAct pattern, tool calling, multi-agent orchestration, guardrails, memory types — vocabulary for building autonomous AI systems.
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Event-Driven Architecture
Domain events, CQRS, event sourcing, saga patterns, choreography vs orchestration, schema registry — EDA vocabulary for distributed systems engineers.
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GraphQL Advanced
SDL, resolvers, DataLoader, N+1 problem, schema federation, Apollo Federation, persisted queries — advanced vocabulary for GraphQL API development.
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Cloud Migration Strategy
The 6Rs (rehost, replatform, refactor, repurchase, retire, retain), migration waves, landing zones, cutover windows, and TCO analysis vocabulary.
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Distributed Systems Consensus
Raft, quorum, linearizability, split-brain, leader fencing, CAP and PACELC theorems, vector clocks, and distributed transaction vocabulary.
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Security Architecture
Threat modeling, STRIDE, PASTA, attack trees, trust boundaries, zero trust, defense-in-depth, compensating controls, and security design review vocabulary.
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SOC & Security Operations
SIEM, alert triage and enrichment, IOC vs IOA, threat hunting, TTP, SOAR playbooks, STIX/TAXII threat intelligence vocabulary for blue team engineers.
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Technical Due Diligence
Architecture scorecards, tech debt quantification, scalability risk, vendor lock-in assessment, code health reports, risk registers, and RAG scoring vocabulary.
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Multi-Tenant SaaS Architecture
Tenant isolation models (pool, silo, bridge), noisy-neighbour mitigation, control plane vs. data plane, SaaS tiers, entitlement services, and onboarding pipeline vocabulary.
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Code Quality Metrics
Cyclomatic complexity, cognitive complexity, DORA metrics, ISO 25010 quality model, tech debt ratio, SonarQube indicators, code churn, and static analysis vocabulary.
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Low-Code Platform Vocabulary
Citizen developer model, canvas apps vs. model-driven apps, connectors, Power Automate flows, Center of Excellence governance, DLP policies, and ALM for low-code vocabulary.
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Embedded Systems & RTOS
Real-time operating system concepts, task scheduling, interrupt service routines, HAL and BSP layers, MISRA C safety coding, bare-metal vs. OS approaches, and firmware vocabulary.
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Platform Product Management
Platform as product, developer NPS, golden paths, Team Topologies vocabulary, platform adoption funnel, OKRs for platform teams, dogfooding, and platform-specific communication.
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Incident Command & Response
ICS roles (Incident Commander, Operations Lead, Comms Lead, Scribe), SEV declaration, assuming command, incident timeline, standing down, and post-mortem vocabulary.
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ML Platform & MLOps Tools
Feature stores, experiment tracking, model registries, drift detection, ONNX serialisation, training-serving skew, shadow mode, and ML infrastructure vocabulary.
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Data Governance Vocabulary
Data catalog, data lineage, data stewardship, data quality dimensions, governance policy language, GDPR data management vocabulary, and compliance communication.
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AI Alignment & Safety
RLHF, reward modelling, Constitutional AI, red-teaming, jailbreak, prompt injection, scalable oversight, corrigibility, hallucination, and responsible AI vocabulary.