The term 'had charge of' can be broken down into two crossword solutions: LED (3 letters) and RAN (3 letters). LED stands for 'Light Emitting Diode, ' which is a type of semiconductor device that emits light when an electric current passes through it. RAN stands for 'RUN, ' which is an action that involves moving quickly on foot. Therefore, the phrase 'had charge of' can be interpreted as having been in charge of something, such as leading or running a project or organization.