Possible interpretations:
* A test of a piece of writing: This could be a draft of a book, article, script, or other written work that is being reviewed for its effectiveness.
* A trial run of a text-based system: This could refer to testing the functionality of a chatbot, a text-based game, or other software that relies on text input and output.
* A test of a textual argument: This could involve analyzing the logic and evidence presented in a piece of writing to see if it is convincing or persuasive.
To understand what "textual tryout" means, you need more context. For example:
* Who is using the term? A writer? A programmer? A researcher?
* What is the context? What is being tested? What is the purpose of the tryout?
If you provide more information, I can help you understand the meaning of "textual tryout" more clearly.