The answer for the blank space given in the question is a type of arrow called four-headed arrow.
Four-headed arrow can be found in many computer software and applications, including in Microsoft Excel. Generally, <u>it is used to move an object from one place to another.</u> In the given scenario described at the question, it is used to move a cell from one location to another.
Telecommunications is the electronic transmission of signals for communications, which enables organizations to carry out their processes and tasks through effective computer networks
Dear ,you should ask it on stackoverflow and geekforgeelks , not here
Answer:
i believe background lighting
