Decision

The word Decision can be 

 General 

 When there are several options on what to do, picking one of the options is called 'making a decision'. Humans and other animals make decisions almost all the time. 
 A field of mathematics, and economics, that looks at this process is called decision theory.

 Law 

 A decision is also the result of a legal case. The decision in Brown v. Board of Education was to end segregation.

 Sports 

 A decision is also the result of a sports contest. The team lost three decisions in a row.
 A  decision in Boxing is when a referee (official) decides who wins when the one boxer does not win by knockout (hitting the other until he loses consciousness.)