Crystal ball says it's a language difficulty: The question may be "Does anyone know of a tool that is similar to Simulink that is low cost and/or open source"?
I had some practice with esoteric terms like "plug point" and a phonetically Four-ist' with the accent on the second syllable.
Those are "outlet strips" and "a small wooded area", tiny Forrest or woods.
However, there was one time we could not tell a transient researcher that the thermostat that he was twiddling did not control his office, so it got one of those locked boxes.