You spend an afternoon producing a detailed slide deck. Your manager expected a short note to support a decision that morning. The effort was real, but the two of you were working toward different ideas of completion.
Clarifying a task need not become a lengthy planning meeting. A few concrete questions can reveal the mismatch early.
Identify the decision or use
Ask who will use the output and what they need to do with it. A background briefing, a public explanation and a working list of options may concern the same subject but require different detail.
If the purpose is unclear, offer your current understanding and invite correction. “I think this is to help the team choose between the two venues” is easier to respond to than a vague request for more context.
Describe the deliverable
Agree on the form, scope and essential contents. Ask whether there is a useful example from earlier work. Treat that example as guidance rather than assuming every detail must be copied.
Make exclusions explicit where they affect the workload. A first comparison of options is not necessarily a full implementation plan.
Clarify timing and review
Distinguish the final deadline from the point when someone needs an early outline or draft. If another person’s input is necessary, identify when it is needed and who will request it.
Raise a conflict with existing commitments before the deadline becomes impossible. Explain the tradeoff in terms of tasks and timing.
Send back a short confirmation
Summarise the agreed output, purpose, deadline and next checkpoint. This gives everyone a chance to correct an assumption while it is still inexpensive to change.
Use the same clarity later in your work updates. The goal is not to avoid every surprise; it is to begin with a shared enough picture that effort goes toward the work people actually need.

