But it is popular when you ask someone what is this gear-shaped icon in the Gmail inbox. People from various corners of the world call it, tools menu, cog button, tool button, and more.
Once the menu is expanded you will have display density, configure inbox, mighty setting option, themes to change, add-ons, feedback, and last but not least the help option. You will have further options categorized for easy navigation and for controlling your primary inbox. Once you click this cog-shaped beautiful small icon.
