The linguistic
امر زبانی
The visual
امر بصری
The Semiotic
امر نشانه ای ‌
The Symbolic
امر نمادین
https://mph.ui.ac.ir/article_22835.html

As the context is not available, it is hard to be certain. It would be nice to provide some context (e.g., some sentences before and after the main sentences, maybe a paragraph). It seems like technical terminology. You might be talking about "visual language" as opposed to "textual language". It was introduced by Robert Horn, and defined as "language based on tight integration of words and visual elements". A quick translation of that sentence could be

Some researchers argued that "visual" elements have replaced "textual" ones.

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Note added at 3 days 3 hrs (2022-12-20 13:23:28 GMT)
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.... The proposed equivalent is "textual" not textual elements

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Note added at 3 days 3 hrs (2022-12-20 13:24:26 GMT)
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... textual, not visual elements

verbal vs. visual