There's a lot of reasons. One is the "legal loophole". As new laws come on the books, someone finds a way around them.
The police code "840" typically refers to "officer in need of assistance" or a similar call for help. However, police codes can vary by jurisdiction, so it's important to check the specific context or local code system for precise meanings. In emergency situations, this code signals that an officer requires immediate support.
precise is precise and concise is concise
I guess so. "Shape" does not have that precise a definition.
It is precise if it is repeatable.
"Precise" IS a word!