An index of system domains — concrete substrates where patterns like components, interfaces, flows, constraints, incentives, and feedback repeat across industries; for the deeper rationale and a suggested way to read the library, start with Introducing Systems Across Domains and then use the alphabetical listing below to jump into any domain.
- Adtech data flow systems Pipelines move user, context, and bidding data through intermediaries to enable real-time advertising decisions. 2
- Adtech ecosystems Real-time auction-based systems route user data through intermediaries to match advertisers with impressions under latency, targeting, and compliance constraints. 5
- AI inference systems Compute systems are optimized for executing trained models efficiently at scale. 3
- Alignment Systems Systems ensure stakeholders such as partners, teams, and investors share a common understanding of goals, roles, timelines, and outcomes. 61
- API systems Defined interfaces expose functionality or data between systems so modular integration and interoperability are possible. 3
- Audience segmentation systems Methods group users by attributes or behavior so messaging, products, or experiences can be tailored. 1
- Authentication/authorization systems Mechanisms verify identity and enforce permissions across applications and infrastructure. 1
- AWS/cloud systems On-demand, API-driven infrastructure is composed from modular services with explicit cost models, enabling scalable architectures through composition, isolation, and elasticity. 44
- Brand systems Coherent identity frameworks define messaging, visuals, and positioning over time. 12
- Capital formation systems Structures aggregate and allocate financial resources into ventures, projects, and assets. 7
- Capital Systems Structures raise, allocate, and manage capital across ventures, including funds, syndications, and investor relationships. 7
- CI/CD systems Automated pipelines build, test, and deploy software changes continuously to preserve reliability and speed of iteration. 2
- Communication systems (organizational) Channels and protocols enable information flow between individuals and teams. 9
- Community systems Groups organized around shared goals or interests coordinate through norms, incentives, roles, and communication. 12
- Compute hardware systems Physical machines such as CPUs, GPUs, memory, and storage execute instructions under constraints of heat, power, and architecture-level parallelism. 14
- Construction Systems Systems coordinate projects, resources, timelines, and costs in the building of physical infrastructure. 2
- Content production systems Processes create, edit, review, and package media assets at scale. 24
- Course creation systems Frameworks structure and deliver educational content in modular, progressive formats. 4
- Customer lifecycle systems Frameworks manage acquisition, onboarding, retention, and expansion of customers over time. 4
- Data lake / lakehouse systems Storage layers retain raw and structured data at scale while bridging analytical and operational workloads. 30
- Data lineage systems Tracking systems record the origin, transformations, and dependencies of data across pipelines and reports.
- Data modeling systems Abstract representations of entities and relationships are structured for efficient storage, querying, and interpretation. 12
- Data monetization systems Market structures exchange data as a product by aligning suppliers and consumers through pricing, packaging, and access controls. 1
- Data privacy/compliance systems Frameworks govern how data is stored, shared, and used to meet legal, contractual, and ethical expectations. 1
- Data Product Systems Pipelines and structures turn raw data into packaged, sellable, and repeatable products with defined schemas and use cases. 11
- Data quality systems Processes and tools ensure data accuracy, completeness, and consistency through validation, monitoring, and correction.
- Data warehousing systems Centralized repositories optimized for analytical queries are structured around schemas that support aggregation, reporting, and historical analysis. 45
- Data-Governance-Systems 1
- Dataset productization systems Raw data is turned into standardized, consumable products with defined schemas, documentation, and delivery mechanisms. 1
- Deal Structuring Systems Systems define how agreements are formed, how value is split, and how incentives are aligned between parties. 3
- Decision-making systems Structured approaches evaluate options and select actions under uncertainty. 7
- Distributed systems Multiple coordinated nodes operate under partial failure, requiring replication, coordination, and fault tolerance to deliver reliable global behavior. 26
- Distribution systems (media) Channels and strategies deliver content to target audiences across platforms and formats. 22
- Documentation Systems Structured methods turn work into reusable artifacts such as case studies, SOPs, templates, and playbooks that both operate systems and teach them. 20
- Electrical engineering systems Circuits control current and voltage to perform computation, signaling, and power distribution across components and boards. 31
- Energy-Systems 1
- ERP / Entity Management Systems Systems model and track companies, people, projects, and finances inside a unified operational structure.
- ETL / ELT systems Pipelines extract, transform, and load data across systems while enforcing schema, quality, and timing constraints. 32
- Event Processing Systems High-throughput systems capture, store, and analyze large volumes of real-time events for analytics and decision-making. 6
- Feature engineering systems Processes transform raw data into structured inputs that are better suited for learning and inference. 8
- Feedback loop systems Mechanisms capture outcomes and feed them back into planning, adaptation, and improvement cycles. 5
- Finance/accounting systems Structured recording and reporting frameworks track assets, liabilities, revenue, and compliance across time. 5
- FinOps Systems Systems connect infrastructure usage to financial outcomes so cost, performance, and accountability can be optimized across cloud and operations. 1
- Full-stack application systems Integrated applications combine frontend interfaces, backend logic, databases, and APIs into cohesive systems. 13
- Geospatial Systems Systems model physical space using coordinates, polygons, and clustering to derive insights and build products from location data. 2
- GIS / geospatial systems Spatial systems represent and analyze location-aware data so geographic relationships can be integrated into products and decisions. 1
- Governance systems Rules and processes guide decision-making, conflict resolution, and accountability within groups. 7
- Health tracking systems Data-driven systems monitor and analyze physiological and behavioral metrics over time. 10
- Human-in-the-loop systems Automated processes incorporate human judgment to improve accuracy, safety, and outcomes. 12
- Identity and access management systems Frameworks control who can access which resources under defined policies and administrative models. 2
- Infrastructure as Code systems Declarative configurations define infrastructure state so environments can be reproduced, versioned, and managed consistently. 11
- IT systems Enterprise infrastructure manages identity, communication, storage, and security to ensure controlled access, reliability, and operational continuity. 11
- Knowledge Architecture Systems Systems define how information is structured through categories, tags, and hierarchies so it can be navigated, reused, and scaled. 2
- Knowledge management systems Repositories and structures store, organize, and surface information for reuse, alignment, and decision support. 32
- Knowledge Systems (Enterprise / Second Brain Systems) Systems store, structure, and expose knowledge across teams and ventures using tools like Confluence, templates, taxonomies, and governance models.
- Kubernetes systems Container orchestration platforms schedule workloads, manage service discovery, and enforce desired state across clusters of compute resources. 3
- LEGO ecosystems Standardized physical components combine via well-defined interfaces into arbitrarily complex assemblies, supported by instructions, supply chains, and a resale market that preserves value and compatibility over time. 8
- Linux systems A hierarchical, permissioned operating system manages processes, memory, and files through a kernel that enforces resource isolation, scheduling, and hardware abstraction. 35
- Machine learning systems Pipelines train models on data to produce predictive or generative outputs and improve performance through iteration. 18
- Manufacturing Systems Systems manage production, materials, workflows, and capacity in physical goods environments. 19
- Marketplace systems Platforms match supply and demand participants while enforcing rules, pricing, and trust mechanisms that enable transactions.
- Mechanical systems Physical assemblies transfer force and motion through components such as gears and actuators under constraints of energy, friction, and material properties. 19
- Model serving systems Infrastructure deploys trained models for real-time or batch inference under latency and scaling constraints. 9
- Multi-Entity / Multi-Venture Systems Structures operate multiple companies or projects in parallel with shared tooling, financial systems, and knowledge infrastructure.
- Multi-project coordination systems Frameworks manage multiple concurrent efforts with shared resources, overlapping timelines, and interdependent decisions. 24
- Narrative systems Structures organize information into stories that shape understanding, memory, and engagement. 22
- Networking hardware systems Routers, switches, and radios move packets across physical and wireless links using standardized protocols and topology-aware routing. 10
- Observability systems Monitoring, logging, and tracing systems provide visibility into behavior, performance, and failure modes. 2
- Open source ecosystems Decentralized software production is governed by licenses, contribution models, and maintainers, with reputation and utility coordinating distributed contributors around shared codebases. 21
- Operational scaling systems Processes enable organizations to grow output without proportional increases in cost or complexity. 7
- Operational Visibility Systems Dashboards and reporting systems make system state, progress, and performance visible across teams and leadership. 6
- Organizational design systems Structures define roles, responsibilities, and reporting relationships to improve coordination and decision-making. 14
- Pattern extraction systems Cognitive and formal processes identify reusable structures across domains. 6
- Personal knowledge systems Tools and structures organize individual understanding and information retrieval. 26
- Personal sustainability systems Frameworks manage time, energy, commitments, and resources at the individual level. 36
- Platform ecosystems Extensible systems enable third parties to build on top of core infrastructure through APIs, standards, and governance. 4
- Pricing systems Structures determine how value is quantified and exchanged by balancing cost, demand, and perceived utility. 5
- Pro audio/visual systems Signal chains capture, process, and distribute audio and visual data in real time across consoles, amplification, and lighting control systems. 13
- Progressive disclosure systems Design approaches reveal information in layers based on user context, readiness, or need. 2
- Project management systems Structured coordination frameworks decompose goals into tasks, track dependencies, and manage execution over time using tools, priorities, and feedback cycles. 44
- Proposal systems Structures define, present, negotiate, and track potential work or deals. 7
- Query Optimization Systems Systems evaluate and optimize queries before execution to reduce cost and improve performance. 2
- Radio systems Information is transmitted through the electromagnetic spectrum using modulation, frequency allocation, and protocol layering under physical and regulatory constraints. 21
- Real Estate Systems Systems manage assets, investments, operations, and reporting across property portfolios. 4
- Relationship systems Networks of interpersonal connections are managed through communication, trust, reciprocity, and shared history. 14
- Reliability Engineering Systems (SLI/SLO/SLA) Systems define, measure, and enforce reliability targets across infrastructure and applications.
- Revenue sharing systems Mechanisms distribute income among stakeholders based on contribution, ownership, or agreement. 1
- Routing systems (BGP, etc.) Distributed decision systems determine network paths based on policy and topology, balancing reachability, performance, and control.
- Security & Permission Systems Frameworks control access to systems and data across overlapping teams, tools, and projects. 2
- Security systems Practices and controls protect systems from unauthorized access, misuse, and failure. 8
- Similarity & Clustering Systems Systems measure likeness between entities using features and distance metrics so they can drive insights, grouping, and product behavior.
- Software development systems Processes and tools build software through version control, testing, modular design, and iterative deployment to maintain reliability and evolvability. 15
- Standards and protocol systems Shared rules create interoperability between otherwise independent systems. 5
- Startup/company building systems Organizations are designed to discover and scale product-market fit by aligning capital, talent, and execution under uncertainty with staged risk and feedback loops. 69
- Storage systems Persistence layers provide durability, availability, and performance through replication, partitioning, and tiering. 11
- Streaming systems Event-driven architectures process continuous data flows in real time to support reactive systems and low-latency analytics. 5
- System Design Methodology A repeatable process identifies needs, designs scalable systems, operationalizes them, trains others, and iterates through feedback loops. 42
- Talent systems Processes source, develop, and retain people aligned with organizational needs.
- Task prioritization systems Methods rank and select work based on impact, urgency, opportunity cost, and constraints. 17
- Taxonomy & Classification Systems Frameworks organize entities, data, and knowledge using layered classification models such as categories, tags, and controlled vocabularies. 1
- TCP/IP networking systems Layered communication protocols define addressing, routing, and reliable data transmission across interconnected networks. 4
- Team systems Groups of individuals organized around shared objectives develop roles, communication patterns, and lifecycle stages from formation through performance and dissolution. 35
- Venture Lifecycle Systems Frameworks guide ventures from idea to validation to scaling to operation to exit or continuation. 41