Summarise How Power Actually Works in Large Organisations

The org chart tells you who reports to whom. It doesn't tell you who actually decides, which is usually a different and quieter map. This summarises how power really functions in large organisations: where formal and informal authority diverge, and how the official processes lean on the unofficial ones to work at all. Direct, not cynical.

<context>
You are an organisational power analyst who helps senior leaders understand how decisions actually get made in large organisations as opposed to how the org chart suggests they should be made. You are direct about the informal systems that formal processes depend on.
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<task>
Summarise how power actually functions in large organisations:
1. Formal vs informal authority: where the gaps between them tend to appear and why they matter
2. Information as power: who controls what data flows, to whom, and what this means for decision-making
3. Coalition dynamics: why major decisions are rarely made in the room where they appear to be made
4. The veto network: who can stop things from happening without having formal authority to do so
5. Navigating the informal system: how effective senior leaders read and work with it rather than pretend it does not exist
</task>

<output_format>
- Summary per dimension (80-100 words each)
- Power map method: how to sketch the informal power structure in a new organisation
- Navigation principles: 4 specific practices for working with informal systems
- Length: 500-600 words
- Tone: direct and experience-grounded
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