Englishfor English speakers
cab
Noun
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A cab is a car that you can hire (pay for) for single trips. (Often taxi cab)
signal
Noun
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A picture, or a light, or a movement of a hand, or other thing that tells people to do something.
When I make this signal with my hand, everybody walk to the front of the room.
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A picture, or a light, or a movement of a hand, or something else that lets someone recognize another person, a ship, an airplane or something else.
The sailor saw the signal on the other ship and so recognized it was the enemy.
signal
Verb
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When someone or something signals to someone, they use a signal to tell the person something.
The red light signals to the cars to stop.
aspect
Noun
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An aspect is a view of something, often something non-physical, such as an idea or a problem.
In Chapter 2 we look at processor size. In Chapter 3 we consider other aspects of processor design.
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In grammar, aspect is the verb form(s) that show the speaker's view of whether the situation is complete or happens again and again. English shows the progressive aspect by using (be) + -ing.
"I go" and "I'm going" are both present tense, but "I'm going" is in the progressive aspect.