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How I rediscover and connect ideas (bidirectional linking explained) thumbnail

How I rediscover and connect ideas (bidirectional linking explained)

Greg Wheeler·
5 min read

Based on Greg Wheeler's video on YouTube. If you like this content, support the original creators by watching, liking and subscribing to their content.

TL;DR

Bidirectional links create two-way connections by showing both outgoing links and backlinks, turning notes into navigable “doorways.”

Briefing

Bidirectional linking turns a personal knowledge system into a network of “doorways” between notes, so ideas can resurface later through multiple paths—not just the one you originally followed. Instead of a one-way hyperlink that sends you forward without showing where the connection came from, a bidirectional link lets each note display both outgoing links (where it points) and backlinks (what points to it). That structure makes it easier to notice related material you may have forgotten, and it helps refine new insights by reconnecting them to older notes.

The workflow starts when a new idea appears—say, while reading a book. A note (Note A) gets created for the idea, and then Note A is linked to another existing note (Note B) that seems to complement it. The key payoff comes when opening Note B: it doesn’t just show the link from Note A, it also shows other backlinks from notes connected to Note B. Those additional connections can reveal forgotten notes that now feel relevant again. If Note B contains a backlink to Note C, and Note C strengthens or extends the thinking in Note A, the system supports a natural loop: return to Note A, link to Note C, then open Note C to see how Note A and Note B connect through yet more backlinks. Over time, this creates multiple “pathways of connection,” letting a single reading session branch into a web of related ideas rather than a linear trail.

In practice, the system described uses Craft as the note-taking environment. Craft’s linking is built around fast search and block-level precision. Typing the “@” symbol in a note opens a search box that can find targets across documents, pages, and—crucially—individual blocks (single lines or small segments inside a block-based document). That means links can point not only to a note title, but to a specific sub-idea deep inside a long document, functioning like an internal anchor that jumps to the relevant section.

After selecting the destination, the link becomes an outgoing connection from the source note. Clicking it brings up the target note and surfaces its backlinks and previews, so it’s possible to assess relevance without opening every linked note. The system also organizes notes into recurring categories that make linking more meaningful: hubs (life or theme areas), projects (active focuses that drive work to completion), and related notes (supporting material such as book notes, script drafts, or references). Examples include notes tied to hubs like “forget the fleeting and focus on the perennial,” where a book-derived insight connects to a current project such as an online course, and to life themes like family, marriage, and parenting. Other examples reference “Gordon Ramsay method” and “trim then polish,” again linking book-derived ideas to hubs such as UX design, creativity, and building a product. Even a block like “I’ve built my own private Museum” can be linked directly, supporting ongoing work on online-course design.

The central takeaway is that bidirectional linking doesn’t just store ideas—it actively helps retrieve and recombine them later, using backlinks to surface forgotten connections and to refine understanding as new notes join the network.

Cornell Notes

Bidirectional linking creates two-way connections between notes, so each note shows both where it links out and which notes link back. That structure helps users rediscover forgotten ideas because opening a related note reveals backlinks from other notes, exposing additional pathways of connection. In the described workflow, new book insights become new notes, which are linked to existing notes; then backlinks help identify further notes worth connecting. Craft supports this with fast “@” search across documents, pages, and block-level targets, enabling links to specific sub-ideas inside long notes. The result is a knowledge system organized around hubs, projects, and related notes that can be navigated through evolving networks rather than one-off references.

How does bidirectional linking differ from a typical hyperlink, and why does that matter for knowledge retrieval?

A standard hyperlink is effectively one-directional: clicking it moves to another page, but the original page’s relationship isn’t visible from the destination. Bidirectional linking works in two directions by showing outgoing links and backlinks. When a note is opened, backlinks reveal which other notes connect to it, making it easier to find related material you may have forgotten and to discover additional connections beyond the one you initially followed.

What is the “multiple pathways of connection” effect, and how does it emerge from backlinks?

After creating Note A and linking it to Note B, opening Note B shows not only the link from Note A but also other backlinks from notes connected to Note B. Those backlinks can point to Note C—an older note that complements or refines the thinking in Note A. Linking Note A to Note C and then opening Note C again continues the chain, producing several routes through the idea network rather than a single linear path.

Why does block-level linking (not just note-level linking) improve the usefulness of a knowledge system?

Block-level linking lets a link target a specific line or sub-idea inside a long document. In Craft, the “@” search can find matches within documents, pages, and individual blocks. That means a link can jump directly to the relevant passage (an internal anchor-like behavior), reducing the need to scan entire notes and making connections more precise.

How does Craft’s linking workflow support fast linking and quick relevance checks?

In Craft, typing “@” opens a search box to find the destination note or block. Once a link is created, clicking it takes the user to the target note, where backlinks and previews are visible. Hovering over links provides note content previews, allowing users to judge whether connections matter without opening every linked note.

What role do hubs, projects, and related notes play in making bidirectional linking more effective?

The system links ideas into structured categories. Hubs represent life areas or enduring themes (e.g., “forget the fleeting and focus on the perennial”). Projects represent active focuses that drive work forward (e.g., an online course). Related notes include supporting material such as book insights and scripts. Linking across these categories makes backlinks more meaningful: a book-derived note can connect a project to a broader life theme, and vice versa.

How do the examples illustrate the practical benefit of rediscovering connections?

A note taken from reading rework can connect to a current project like building a first online course, while also tying into hubs such as family, marriage, and parenting. Another example, “be a curator,” includes definitions and related vocabulary from the book, then links to a related block about building a private museum—supporting ongoing thinking about course design. Backlinks help surface these relationships when revisiting any one note.

Review Questions

  1. When you open a note that has bidirectional links, what specific information (outgoing links vs backlinks) helps you discover additional related notes?
  2. Describe a step-by-step scenario where Note A links to Note B, and backlinks lead to Note C. What new insight can emerge from that chain?
  3. Why might block-level linking be preferable to linking only at the page or note title level in a system with long documents?

Key Points

  1. 1

    Bidirectional links create two-way connections by showing both outgoing links and backlinks, turning notes into navigable “doorways.”

  2. 2

    Backlinks help users rediscover forgotten ideas by revealing other notes connected to a target note.

  3. 3

    Linking new insights to existing notes enables iterative refinement: opening the destination note can surface additional connections to link next.

  4. 4

    Craft supports precise bidirectional linking through “@” search across documents, pages, and block-level targets.

  5. 5

    Block-level linking improves accuracy by connecting directly to the specific sub-idea inside a long note, reducing scanning.

  6. 6

    Backlink previews and hoverable content make it easier to judge relevance without opening every linked note.

  7. 7

    Organizing notes into hubs, projects, and related notes makes the network of connections more actionable and easier to navigate.

Highlights

Bidirectional linking turns a note system into a web: opening a note reveals not just where it goes, but what other notes point to it.
Backlinks can surface forgotten connections that refine a new idea—often leading to additional links you didn’t plan at first.
Craft’s block-level linking lets links target a specific line or segment inside a long document, not just a page title.
The hubs/projects/related-notes structure helps transform book insights into ongoing work and enduring themes.

Mentioned