They can flash by pressing the button. On some flashlights partially pressing and releasing the button flashes the light off and on. That’s a notable difference from, say, lanterns where you need a cover or shield for signalling.
The problem with “torch” is that there’s already a thing called “torch”, and now I don’t know which thing you mean. The word “flashlight” has avoided critical ambiguity in many of our Indiana Jones movies.
They can flash by pressing the button. On some flashlights partially pressing and releasing the button flashes the light off and on. That’s a notable difference from, say, lanterns where you need a cover or shield for signalling.
The problem with “torch” is that there’s already a thing called “torch”, and now I don’t know which thing you mean. The word “flashlight” has avoided critical ambiguity in many of our Indiana Jones movies.
Oh come on, this is obvious post-hoc justification!
Indeed, it’s a thing that you hold in your hand to provide light, as it has been for thousands of years.