It is important to know how to navigate around a scene to simplify editing an object.
The keyboard shortcut for this command is 'r'. This command allows you to select an object and make it bigger or smaller along an axis. Select and Scale - This button shows a small square in the lower left corner of a larger square it is right next to Select and Rotate. The keyboard shortcut for this command is 'e'. This allows you to select an object and make it spin on its pivot point. Select and Rotate - This is the arrow going in a circle right next to Select and Move. The keyboard shortcut for this command is 'w'. This allows you to select an object and move it to a different location along its axis by clicking on the three arrows in the viewports. Select and Move - This is the button with 4 arrows pointing in different directions it should be 4 buttons to the right of Select Object. The keyboard shortcut for this command is 'q'.
This command allows you to select an object in your scene by clicking on it, without accidently performing any transformation (move, rotate, or enlarge). Select Object - This is the button with the single mouse icon in the center. Therefore, we will only go over 4 important buttons in Main Toolbar right now, but feel free to experiment with the others to find out what they do, or hover over them for a tooltip. As you can see, this bar contains several buttons, and it would be difficult to memorize all of them at once.