Clarify

v.thoughtful, capableprofessional

What it means

To make an idea, statement, or situation easier to understand.

Reach for it when describing work that removes ambiguity without changing the underlying claim

A labeled sketch will clarify where the new drain joins the old pipe.

playful
spell out
implicit details should be stated directly
not when The idiom can sound impatient or patronizing toward the listener.
everyday
clear up
a misunderstanding or small uncertainty needs resolution
not when Clear up is informal and can also mean tidy or improve weather.
everyday
explain
causes, steps, or meaning need to be set out
not when An explanation can add detail while leaving the original ambiguity unresolved.
professional
disambiguate
several possible meanings must be separated explicitly
not when Disambiguate is technical and narrower than ordinary clarification.
formal
elucidate
careful explanation illuminates a difficult subject
not when Elucidate is needlessly academic for simple instructions or conversation.
formal
make plain
direct language should remove doubt
not when Make plain can sound forceful when the issue calls for collaborative inquiry.
literary
illuminate
an example or insight reveals a subject more deeply
not when Illumination may broaden understanding without resolving a precise ambiguity.

clarify the issue
The chair paused to clarify the issue before calling for a vote.
help clarify
One dated photograph may help clarify which wall moved first.
clarify whether
Please clarify whether the fee covers delivery as well as setup.
clarify what
The revised notice must clarify what evidence applicants should bring.
clarify how
A short diagram can clarify how the two valves interact.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.