Field notes

Journal entries from our mapping practice

Techniques, preparation checklists, and chart-reading guidance for finance and sourcing leaders working with mid-market ledgers.

11 March 2026 · Min-jun Park

How to Read a Procurement Spend Chart Without Losing the Plot

Category bars, Pareto curves, and supplier bubbles each answer a different question. Here is how we label them so your board can follow the argument.

3 February 2026 · Soo-yeon Hwang

Duplicate vendor records distort concentration metrics. These are the matching rules we apply before any chart is drawn.

17 January 2026 · Min-jun Park

The 80/20 shape is familiar; the actionable cut point is not. We explain how we choose review thresholds for mid-market ledgers.

6 December 2025 · Soo-yeon Hwang

Peer comparisons help prioritise reviews, but false precision erodes trust. Our approach to ranges and caveats.