Ask what the person needs to decide
Start with the work a dashboard supports. A finance lead, a dispatcher and a founder may use the same underlying data for very different decisions. Ask each role what they check first and what they do with the answer.
Use those questions to prioritise the default view. Keep deeper information accessible through deliberate navigation rather than putting every available metric on the opening screen.
Give every figure enough context
A number without a time period, source or comparison can be easy to misread. Show when information was updated, what the figure includes and whether it is complete. Label estimates and forecasts separately from recorded facts.
Charts need meaningful labels and accessible alternatives. Do not rely on colour alone to distinguish status. Keep a table or explanation available where people need precise values.
Design the next action and the difficult states
If a figure signals a problem, make the investigation path clear. Can the person inspect the affected records, find the owner or understand the threshold? A useful dashboard connects a signal to the work it implies.
Design for loading, missing data, errors and limited permissions. Check the layout on a narrow screen and with a keyboard. A dashboard should remain understandable when the data is incomplete, not only when every chart is full.