PINS DOWN is a term that can be used to describe two different activities. The first is the act of naming someone or something, which is represented by the crossword solution NAMES (5 letters). This is often done in order to identify a person or thing, such as when introducing someone to a group of people. The second activity is the act of hammering nails into a surface, which is represented by the crossword solution NAILS (5 letters). This is often done in order to secure an object to a surface, such as when hanging a picture on a wall.