Learn & Understand

Handbook · guide · concept · research · case study

▶Start here

You are here: ZajLibrary → Learn & Understand
This shelf is for you if: you want to understand a domain, mental model, or real example before you ship anything.
Not this shelf? Build & Create = step-by-step execution · Resources = copyable assets · Directories = who/what catalogs.

The map

graph TD
  Learn["Learn & Understand"] --> H["Handbooks<br/>whole domains"]
  Learn --> G["Guides<br/>one focused how-to"]
  Learn --> C["Concepts<br/>theory & mental models"]
  Learn --> R["Research<br/>findings & comparisons"]
  Learn --> CS["Case studies<br/>real outcomes"]

---

Start here

Handbooks Multi-page domain hubs — start with Mastra if you're building agents.

Guides Single-topic how-tos — read top to bottom in one sitting.

Concepts Definitions and mental models — the why before the how.

Research Investigation notes — comparisons, options, sourced findings.

Case studies What happened on a real project and what we reused.

What’s in this shelf

Type	You get	Best when
Handbooks	A full spine (overview → deploy)	You need durable reference for a framework or domain
Guides	One narrative, one outcome	You need a focused answer, not a whole engine
Concepts	Vocabulary and relationships	You need the why before architecture
Research	Notes and comparisons	You’re deciding between options
Case studies	Story + lesson	You want proof from real work

Understand everything — how Learn fits the whole library

Learn is the knowledge layer. Build turns that knowledge into procedures. Resources gives you files to copy. Directory lists entities (tools, vendors, skills). Topic names (Laravel, Mastra, Vercel…) live in category + tags, not in folder paths.

Full IA rules: Content architecture.