You can adjust any of these different ‘quadrants’ of the histogram in the same way. For instance, if you want to adjust ‘shadows just hover over the vertical quadrant part that is considered shadows (see a change to the words ‘shadows’ bottom left of the histogram) and then you could simply click and drag left or right to increase or decrease the shadows. When you move it, you’ll also notice that the ‘shadow’ slider moves.
Similarly, in the middle of the histogram, it says ‘exposure’ but technically if you use the universal view of what ‘exposure’ means this is actually ‘brightness’. When you adjust brightness on some applications that have a ‘brightness’ slider it’s actually adjusting the brightness of the mid-tones or the exposure of the mid-tones, so if you drag to the right you’ll make it brighter if you drag it to the left you make it darker. As you will see below this is moving the ‘exposure’ slider.
Finally, if you wanted to adjust the highlights you could go over that part of the histogram that says ‘highlights’ click with the left mouse button and drag that left or right and you’ll notice the ‘highlights’ slider is moving. This is the fourth way one can get a ‘white’ and ‘black’ point in Lightroom CC. You can as I said adjust the highlights, shadows an exposure as well if you’d like to use this method.
Similarly, if you want to get an ‘automatic’ adjustment by holding in the ‘shift’ ‘key and double-clicking on a ‘name’ you could do that for many of these sliders in the basic panel. It won’t work for ‘texture’, double-clicking just ‘resets’ that slider back to ‘0’. It will, however, work for ‘vibrance’ if you hold the ‘shift’ key in and double click on the word ‘vibrance’ you can see it gives you an ‘automatic’ adjustment there and saturation the same. Now you can see you could get ‘automatic’ adjustments on any one of the sliders that are affected when you click ‘Auto’ by holding in the ‘shift ‘key and double-clicking on the name of the slider.
So that’s four different ways you could get easy white and black points in any image in Lightroom.