General:
* Screen: Implies a physical barrier that separates particles or objects.
* Sieve: Similar to "screen," but often used for smaller particles.
* Separator: General term for anything that divides or isolates.
* Purifier: Specifically refers to removing impurities or contaminants.
* Clarifier: Used for removing suspended particles to make a liquid clearer.
Digital:
* Refine: Implies making something better or more precise.
* Select: Indicates choosing specific elements based on certain criteria.
* Limit: Restricting the content shown.
* Edit: Modifying or altering information.
* Mask: Hiding or covering certain parts of an image or data.
Other:
* Sort: Arranging items in a specific order.
* Censor: Removing or suppressing content considered inappropriate.
* Extract: Removing specific elements from a larger dataset.
* Isolate: Separating something from its surroundings.
To choose the best word, consider the specific function of the filter in your context.