A range, not a rigid answer.
Dark wood, smoke, leather, medicine, barnyard, fruit, sweetness or polished resin depending on source and construction.
Deeper sensory reference
Oud / agarwood
Agarwood can refer to resinous infected wood, distilled oils, reconstructed accords or a broad commercial style.
woodysmokyleatherymedicinal
Why a perfumer may use the effect.
Adds depth, shadow, texture, persistence and cultural or stylistic reference.
Keep the evidence boundary visible.
An oud title does not prove natural agarwood oil, origin, grade or amount.
Words that change the way you read it.
Leather · incense · patchouli · rose · amber