A weapon selector is a common tool used in firearms to switch between different firing modes such as single shot, automatic, or burst fire. However, there are various other terms that are used as synonyms for weapon selector. The most popular one is Fire Selector, which is used for selecting the mode of fire in gun systems. Another common term is Trigger Selector, which refers to the part of the firearm that enables the user to switch between different firing modes. Other terms that have been used are Mode Selector, Fire Control System, and Somatic Receptor. In general, these terms all refer to the same feature in firearms that allows the shooter to select the appropriate firing mode.