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1. The Triangle of Abstraction A powerful communication and design framework that helps us move conversations from confusion and disagreement toward clarity, alignment, and purposeful action. © Guides on the Side 2026 1
2. The Triangle of Abstraction is a simple but effective way to understand how we communicate. At different levels of the triangle, we focus on different types of thinking — from big ideas through to detailed actions. Understanding these levels helps us communicate more effectively, especially in complex conversations. Big ideas - vision, purpose, beliefs and values Global specific plans - broad but meaningful intentions Technical details - specific actions, processes and logistics © Guides on the Side 2026 2
3. The levels • At the top — the apex — we find vision, purpose, and big ideas. • In the middle, we communicate in global specific terms — broad but meaningful intentions. • At the bottom, we focus on technical details — the specific actions, processes, and logistics. © Guides on the Side 2026 3 Big ideas - vision, purpose, beliefs and values Global specific plans - broad but meaningful intentions Technical details - specific actions, processes and logistics Each level is important, but they must stay aligned.
4. Why It Matters Communication often breaks down when we get stuck in the details. The further down the triangle we go, the more complexity — and often disagreement — we encounter. The Triangle of Abstraction helps us step back, reconnect with shared purpose, and then return to the detail with greater clarity. Shared purpose Consensus Areas for disagreement © Guides on the Side 2026 4
5. Key Principle The key principle of this model is simple: When conversations become stuck, push the discussion up the triangle. Find points of agreement at a higher level — then come back down into the detail, aligned to that agreement. © Guides on the Side 2026 5
6. Practical Applications This framework is especially useful for: • Establishing shared understanding in groups • Supporting goal setting • Designing projects or programs It keeps conversations purposeful and prevents teams from getting lost in unproductive detail. © Guides on the Side 2026 6
7. Starting with Purpose In any design process, we start at the top — with purpose. This is the “why” behind what we’re doing. While it can be challenging to define, once the purpose is clear, everything else can be aligned to it. © Guides on the Side 2026 7
8. From Purpose to Aims After clarifying purpose, we move to aims — expressed in global specific terms. These are still broad, but more focused. For example, an aim might be to engage participants or strengthen professional connections. © Guides on the Side 2026 8
9. From Aims to Expectations/Outcomes Next, we identify expectations — what we anticipate will happen as a result. These are still aligned to purpose but begin to move slightly closer to the practical. For example, participants may leave with new networks or insights. © Guides on the Side 2026 9
10. The Risk of Staying Too Low When we stay at the technical level for too long, we can get stuck in debates. We begin to disagree over small, less important details — losing sight of what really matters. © Guides on the Side 2026 10
11. An example Imagine a group is discussing the final staff outing - that’s the shared goal. But disagreement arises around how where to go. The Triangle reminds us to return to the shared goal first, then resolve the details. • For instance, if we are honouring people who are leaving the organisation, we might need a quieter place for speeches. • In contrast, if we are just celebrating having made it though the year, some where where the drinks are cheap might fit the bill. Getting clear on the purpose helps us to filter the technical details. © Guides on the Side 2026 11
12. An example • Two teachers a might argue over which are the best texts to use. • When they go to collaborative planning, they realise that they are both intending to teach students how different authors represent their characters. • Now each teacher is free to use the texts they prefer, because they have consensus at the top level and they have the language to explain how any text can be used to achieve the agreed goal. © Guides on the Side 2026 12
13. Final Takeaway The Triangle of Abstraction is a tool for clarity, alignment, and purposeful communication. Start with purpose, move through shared aims, and only then focus on the detail. When used well, it keeps conversations productive and outcomes aligned. © Guides on the Side 2026 13 Big ideas - vision, purpose, beliefs and values Global specific plans - broad but meaningful intentions Technical details - specific actions, processes and logistics