# System Architecture - [Overview](https://docs.glik.ai/system-architecture/overview.md) - [Blocks & Nodes](https://docs.glik.ai/system-architecture/blocks-and-nodes.md) - [Utilities](https://docs.glik.ai/system-architecture/blocks-and-nodes/utilities.md) - [Start Block](https://docs.glik.ai/system-architecture/blocks-and-nodes/utilities/start-block.md) - [End Node](https://docs.glik.ai/system-architecture/blocks-and-nodes/utilities/end-node.md) - [HTTP Request](https://docs.glik.ai/system-architecture/blocks-and-nodes/utilities/http-request.md) - [List Operator](https://docs.glik.ai/system-architecture/blocks-and-nodes/utilities/list-operator.md) - [Classifier Nodes](https://docs.glik.ai/system-architecture/blocks-and-nodes/classifier-nodes.md) - [Question Classifier](https://docs.glik.ai/system-architecture/blocks-and-nodes/classifier-nodes/question-classifier.md) - [Logic Blocks](https://docs.glik.ai/system-architecture/blocks-and-nodes/logic-blocks.md) - [IF/ELSE Branch](https://docs.glik.ai/system-architecture/blocks-and-nodes/logic-blocks/if-else-branch.md) - [Iteration](https://docs.glik.ai/system-architecture/blocks-and-nodes/logic-blocks/iteration.md) - [Loop](https://docs.glik.ai/system-architecture/blocks-and-nodes/logic-blocks/loop.md) - [Transform Blocks](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks.md) - [Variable Assigner](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks/variable-assigner.md) - [Variable Aggregator](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks/variable-aggregator.md) - [Parameter Extractor](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks/parameter-extractor.md) - [Data Enrichment](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks/data-enrichment.md) - [Prompt Template](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks/prompt-template.md) - [Code](https://docs.glik.ai/system-architecture/blocks-and-nodes/transform-blocks/code.md) - [Input & Extraction](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction.md) - [Doc Extractor](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/doc-extractor.md) - [Knowledge Retrieval](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/knowledge-retrieval.md) - [LLM Block](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/llm-block.md) - [LLM Reasoning](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/llm-block/llm-reasoning.md): Enables adaptive decision-making, reduces manual review, and adds explainability to enterprise workflows. - [Fallback to LLM Reasoning](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/llm-block/fallback-to-llm-reasoning.md): Fallback to LLM Reasoning provides resilience and human-like adaptability in GLIK workflows. It ensures continuity, captures contextual judgment, and keeps workflows flexible when predefined logic is - [Tool Node](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/tool-node.md) - [Agent](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/agent.md) - [Answer](https://docs.glik.ai/system-architecture/blocks-and-nodes/input-and-extraction/answer.md) - [GLIK Knowledge](https://docs.glik.ai/system-architecture/glik-knowledge.md) - [Creating & Managing Knowledge](https://docs.glik.ai/system-architecture/glik-knowledge/creating-and-managing-knowledge.md) - [GLIK Knowledge Retrieval](https://docs.glik.ai/system-architecture/glik-knowledge/glik-knowledge-retrieval.md) - [Writing to Knowledge](https://docs.glik.ai/system-architecture/glik-knowledge/writing-to-knowledge.md) - [Scoped Memory & Access Control](https://docs.glik.ai/system-architecture/glik-knowledge/scoped-memory-and-access-control.md) - [Injection & Variable Binding](https://docs.glik.ai/system-architecture/glik-knowledge/injection-and-variable-binding.md) - [Performance & Limits](https://docs.glik.ai/system-architecture/glik-knowledge/performance-and-limits.md) - [Execution Model](https://docs.glik.ai/system-architecture/execution-model.md): Depending on the App Type selected (e.g., Chatbot, Agent, Advanced Chat, Workflow), this logic may be wrapped in conversation, triggered by system events, or embedded in no-code frontends. - [Workflow Architecture](https://docs.glik.ai/system-architecture/execution-model/workflow-architecture.md) - [Flow Engine](https://docs.glik.ai/system-architecture/execution-model/flow-engine.md) - [Node Lifecycle](https://docs.glik.ai/system-architecture/execution-model/node-lifecycle.md) - [Protocol Compatibility & Schema Interoperability](https://docs.glik.ai/system-architecture/execution-model/protocol-compatibility-and-schema-interoperability.md) - [Input Binding & Value Resolution](https://docs.glik.ai/system-architecture/execution-model/input-binding-and-value-resolution.md) - [Memory & Variable Scope](https://docs.glik.ai/system-architecture/memory-and-variable-scope.md) - [Conversation Variables](https://docs.glik.ai/system-architecture/memory-and-variable-scope/conversation-variables.md) - [Memory Layers (User, App, Org)](https://docs.glik.ai/system-architecture/memory-and-variable-scope/memory-layers-user-app-org.md) - [Memory Slot Injection](https://docs.glik.ai/system-architecture/memory-and-variable-scope/memory-slot-injection.md) - [Memory Retention Policy](https://docs.glik.ai/system-architecture/memory-and-variable-scope/memory-retention-policy.md) - [Decision Routing](https://docs.glik.ai/system-architecture/decision-routing.md) - [Conditional Logic Engine](https://docs.glik.ai/system-architecture/decision-routing/conditional-logic-engine.md) - [LLM Fallthrough Patterns](https://docs.glik.ai/system-architecture/decision-routing/llm-fallthrough-patterns.md) - [Policy Enforcement & Escalation Paths](https://docs.glik.ai/system-architecture/decision-routing/policy-enforcement-and-escalation-paths.md) - [Enterprise Orchestration](https://docs.glik.ai/system-architecture/enterprise-orchestration.md) - [Policy-Driven Automation](https://docs.glik.ai/system-architecture/enterprise-orchestration/policy-driven-automation.md) - [Enterprise Modularity](https://docs.glik.ai/system-architecture/enterprise-orchestration/enterprise-modularity.md) - [Auditability & Governance](https://docs.glik.ai/system-architecture/enterprise-orchestration/auditability-and-governance.md) - [Explainability & Decision Transparency](https://docs.glik.ai/system-architecture/enterprise-orchestration/explainability-and-decision-transparency.md) - [Agentifying Legacy Systems](https://docs.glik.ai/system-architecture/agentifying-legacy-systems.md) - [Why Legacy Systems Resist Change](https://docs.glik.ai/system-architecture/agentifying-legacy-systems/why-legacy-systems-resist-change.md) - [Best Practices for Agentifying ERP Workflows](https://docs.glik.ai/system-architecture/agentifying-legacy-systems/best-practices-for-agentifying-erp-workflows.md) - [GLIK’s Wrap-Around Model](https://docs.glik.ai/system-architecture/agentifying-legacy-systems/gliks-wrap-around-model.md) - [Agent Surfaces (PDF, OCR, API, UI)](https://docs.glik.ai/system-architecture/agentifying-legacy-systems/agent-surfaces-pdf-ocr-api-ui.md) - [No-API Memory-Based Control](https://docs.glik.ai/system-architecture/agentifying-legacy-systems/no-api-memory-based-control.md) - [Compliance & Risk Considerations](https://docs.glik.ai/system-architecture/agentifying-legacy-systems/compliance-and-risk-considerations.md) - [System Observability](https://docs.glik.ai/system-architecture/system-observability.md) - [Execution Logs](https://docs.glik.ai/system-architecture/system-observability/execution-logs.md) - [Save Points & Snapshots](https://docs.glik.ai/system-architecture/system-observability/save-points-and-snapshots.md) - [Variable Debugging](https://docs.glik.ai/system-architecture/system-observability/variable-debugging.md) - [Session Trace Viewer](https://docs.glik.ai/system-architecture/system-observability/session-trace-viewer.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.glik.ai/system-architecture.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.