In this guide
Build an original workplace diagram that separates employer, provider, issuer and merchant roles without inventing account flows.
Choose the relationship you need to show
A diagram is useful when it clarifies who answers a question. It becomes misleading when arrows imply a transaction sequence the writer has not verified. For an employee handout, a responsibility map may be safer than an imagined technical payment flow. Start with the question being routed and label each party’s role in plain language.
Keep abstraction explicit
An editorial diagram can show “wage calculation,” “card-account terms” and “purchase record” as separate questions. It should not claim to reproduce Corpay’s systems, bank processing order or the employer’s software integration. Put “editorial responsibility map” in the caption. If a real process is being documented, have its owner confirm every step and exception.
Design for text as well as colour
Give each lane a written label and a distinct position. Do not rely on red versus green to communicate who owns a question. Keep arrows away from labels and use a logical reading order. Supply a concise text equivalent that conveys the same relationships, including any limitation that appears in the image.
Decide what an arrow means
Arrows can represent sequence, responsibility, evidence or movement of money. A diagram that uses the same arrow for all four becomes difficult to interpret. Choose one relationship and explain it in the caption. In a responsibility map, an arrow can mean “ask this owner about this question”; it should not imply that the owner receives funds or can see every transaction. If two relationships are necessary, use clearly labelled lanes or separate diagrams. This is particularly important when adapting material from a business expense context to payroll communication, where a visually plausible connection can suggest powers or visibility that the evidence does not establish.
A hypothetical improvement
A draft diagram puts the employer in the centre with arrows to every transaction. A reader could infer the employer can inspect or correct all card spending. Replace it with separate question lanes and verified handoff points. If a provider marketing article concerns business expense cards, do not use it as evidence for visibility into employees’ personal payroll-card purchases.
Test the diagram without its colours
Read the labels in order, then imagine the image printed in monochrome. Can the reader still understand the relationship? The text equivalent should make sense without requiring someone to infer the meaning of a coloured box. For a complex diagram, a short adjacent explanation may be more useful than a very long image description. Keep the original source file so the owner can change labels without rebuilding the entire asset. A diagram that is easy to maintain is less likely to survive unchanged after the program evidence has moved on. Visual polish matters, but its job is to support a precise explanation.
Check the finished asset
View the diagram at its actual handout size and on a narrow screen. Ensure the caption remains attached and the text alternative is meaningful. Use invented neutral labels rather than real employee records. An original drawing should not imitate the provider’s logo or an account interface.
Keep a source note
List the public references used to define the diagram’s limited context and identify the rest as editorial organization. The drawing is not a new source for product claims. When a role or program changes, review the labels rather than assuming an attractive image can remain untouched forever.
Reusable work card
Use these prompts in your organization’s approved process. They request no private account information and do not authorize a payment or account change.
- Choose a responsibility relationship that the diagram can explain without claiming to reproduce a private technical system.
- Give every lane a written label so colour is not the only way to understand the distinction.
- Keep issuer, employer and merchant roles separate unless the applicable process establishes a specific connection.
- Use synthetic content and an editorial caption instead of copying a private account screen.
- Write a text equivalent that preserves the diagram’s important relationships and limitations.
- Review the finished asset on a narrow screen and at its intended printed size before reuse.