Which option must be clicked to start a Conditional Search?

To initiate a Conditional Search, the specific action required is to click on the Toggle Conditions On/Off icon. This icon serves as the mechanism that activates the conditional parameters needed for the search function. When it is toggled on, it allows users to set specific conditions that refine the search results based on particular criteria. This functionality is essential for tailoring search outcomes to meet specific needs or requirements, enabling a more focused and efficient data retrieval process.

While options like Advanced settings, Search options menu, and Search results tab may offer various functionalities and configurations for conducting searches or viewing results, they do not directly initiate the conditional search process. The Toggle Conditions On/Off icon specifically signifies the switch that must be engaged to start utilizing those conditional parameters, which is why it is the correct choice in this context.