Arrow in this scenario stands for the direction in which an action occurs and is represented as ⇒
What is an Arrow key?
This is also referred to as cursor keys which are used to move in some form of directions such as left, up etc.
it is also used in chemical reactions to denote if it was a forward or backward one thereby emphasizing its importance.
The complete question is:
What are arrow keys and what does A ⇒ B stand for?
Read more about Arrow here https://brainly.com/question/3068152
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