In the insert function dialog box, click the function name to get a short description ( A )
Explanation:
Clicking the function name inside the insert function dialog box will bring up a short description of the function. or simply hovering your cursor over a function that you intend to add to your document under the insert tab will as well give a brief description of the function.
opening help from the backstage view to find a list of functions is another way but it a very long and frustrating way because there would be alot of functions found and finding an exact function and its description wont be easy.
Bullies and Criminals say things online instead of in person because they can't easily be tracked due to them using a custom username or multiple accounts or even hiding their IP addresses.