जो शब्दों में व्यक्त न हुआ हो।

अशब्द हावभाव भी बहुत कुछ कह जाते हैं।
अशब्द

Not made explicit.

The unexpressed terms of the agreement.
Things left unsaid.
Some kind of unspoken agreement.
His action is clear but his reason remains unstated.
unexpressed, unsaid, unspoken, unstated, unuttered, unverbalised, unverbalized, unvoiced