The word you could possibly be looking for is "intent"
Answer:
Main idea
Explanation:
The main idea is the central point which is buttressed by series of details or points that support the purpose of the main idea.
No the last one is for a question, the proper punctuation would be a period.
The sentence - The ranchers called in the sheriff to settle the dispute - is written in the active voice.
The passive voice would be - The sheriff was called by the ranchers to settle the dispute.
