It means that you should draw a circle around the individual words that are signal words... that signal the reader about something. Depending on what type of signal words you are working on, these could be illustrations to the reader that there is more coming, that something important is coming, or signals that tell you what the author thinks... like perhaps they aren't sure of what they are saying.
Please see the related link for examples of different types of signal words.
Attempt to do something that is impossible.
It has something to do with care labels.
Something to do with being part of a circle.
Yes. Make sure you mean circle and not ellipse or something though because then the answer would be no.
It could mean a circle with a diameter of 12.5 mm
to signal the coming of something
Depends on what you mean by signal words this is not common grammar terminology. Possibly the answer is both signal words show chronological order or sequence
a circle around the overcast circle in a weather model means something in technology
The size of something, distance all around it.Circumference is the distance around the perimeter of a circle.
Attempt to do something that is impossible.
It has something to do with care labels.
Squaring the circle is something that's impossible to do.
Something to do with being part of a circle.
The term modulate means to exert a modifying or controlling influence on the state of something. In other words, it means to vary some characteristic of a signal in an experiment.
The AT check signal light means that there is something is wrong with the transmission. A slipping transmission can be the cause of this.
To move in a circle around something is called revolving. To move around the same point is called rotation. To move around another stationary object is called orbiting. The earth rotates on its own axis while also orbiting around the sun.
Yes. Make sure you mean circle and not ellipse or something though because then the answer would be no.