InDesign provides shortcuts to help you quickly work in documents without using the mouse. Many keyboard shortcuts appear next to the command names in menus. You can use the default InDesign shortcut set or a shortcut set that you create. You can share shortcut sets with others using InDesign on the same platform.
In this website, you can find many shortcuts that you can use with your InDesign workflow
In this figure you can see the shortcuts to select tools: If you want more information about tools, go to this link
