It is the font you select to display the text.
It just means that they have typed a text but they are not sending it.
Self-explanitory. It means they have typed text in their message box. They have a message, but arent sending it at the moment.
Existing text is replaced with the text being typed in the "Overwrite" mode. (As opposed to the insert mode)
A message written in the text you typed is sent to its desired destination.
An empty square box in a text does not have a specific meaning. It often means that the encoding of the text messed up and couldn't send what was typed so it sent an empty box.
It is an abbreviation for Lol ok. So it means Laughing Out Loud Okay.
Yes in MS office text can be typed horizontally.
yes
Well, You See Usually It's There To Note Who Typed The Text You Are Reading So You Know It's From Them -Kris
Yes.
The cursor.
Typing and then formatting of typed text.