The apex of a geological figure is the highest point
Typing a word entirely in capital letters to emphasize a word when writing a message in an IM application or email. For example if you want to yell at someone over an email, then you write the whole message in capital letters and with exclamation marks.
When the person in not directly involved in the message but has a need to know
Yes, but only sparingly, to emphasize a point.
Because email is easy to use, fast, and inexpensive.
Paper clip APEX
The receiver may think the message is spam
When the content is highly sensitive or emotional.
It is more professional than an email.
when the recipient was not included on the original email
when you want to be able to save and locate emails easily
A business letter should be concise and to the point. It should clearly state why you are writing, clearly present information related to the matter of the letter, and state what (if anything) you want the recipient to do in response to the letter.
Idioms and cliches can obscure the point of a business letter and sarcasm can put the recipient in a negative frame of mind.
You know who has agreed to attend in advance. (APEX)
The writer must correct the word - apex
Keeping your employee calendar up to date.
A college student inquiring about a loan.