apogee
Fulcrum
state
Pithy, terse.
ORIGMIorigin
gist
insist
Debate.
Can't think of an instance in which it would. "Main", is a comparative word which indicates by definition that it is one option among others. "My main man," means that this is the one who is the best among the others. The "main" point in an argument is the one that is most important.
argument?
dispute
specious
Argument, squabble or disunity.
Yes, the word 'argument' is a noun, a word for an angry disagreement between people; a word for a reason or set of reasons given in support of an idea, action or theory; a word for a thing.
To write a letter to an editor effectively, start by clearly stating your main point or argument. Use concise and persuasive language to make your case, and provide evidence or examples to support your position. Be respectful and professional in your tone, and make sure to follow any guidelines or word limits set by the publication. Finally, proofread your letter carefully before submitting it to ensure it is clear and error-free.
main
main idea