The term KEEP SAFE OR RESCUE can be summarized by the crossword solution SAVE, which is a four letter word. SAVE is an action verb that means to protect from harm or danger, to rescue from harm or danger, or to keep safe from harm or danger. It is often used in emergency situations, such as when someone is in danger of drowning or being injured. It can also be used in more general contexts, such as when someone is trying to SAVE money or time.