After selecting multiple photos/files in Explorer in Windows, and then clicking on one of them, only one photo is selected as seen below. I can now hit the delete button to delete that single photos. This is how Windows has worked for years.
After selecting multiple photos in Lightoom, and then clicking on one of them, the Lightroom interface indicates that that single photo is selected by changing the gray color around the photo as seen below. However, contrary to what many Windows users may think, Lightroom still has all photos selected as seen below. My recommendation is that Lightroom should work the way Windows Explorer so that when a user clicks on one photo, only that photo is selected. That way we avoid situations where users accidentally deletes many photos instead of one.
The reason that Lightroom behaves this way is (probably, I'm guessing) because of the different synchronize options, like synchronize develop settings or synchronize metadata. The synchronization takes place from the 'most selected' image to all other selected images, so you may have to change the 'most selected' image sometimes. It would be awkward if a click on a photo in the middle of a selection would deselect all others, especially because the only way to make a selection of multiple photos with the 'most selected' one in the middle would be shift-click in one direction, and then ctrl-click on each one in the other direction. Thanks to the current behavior you can shift-click to select the whole range, and then click the one that needs to be the source image, i.e. 'most selected' one, no matter where it is located in the selection.
LIGHTROOM-CLASSIC THUMBNAILS- THE FOUR SHADES OF GREY
1. MID-GREY : Un-selected “NOT SELECTED” image borders are MID-GREY.
2. LIGHT GREY : WHEN MULTIPLE IMAGES ARE SELECTED, I CALL THESE “SECONDARY SELECTED”. (THE "MOST SELECTED IMAGE" as in 3.
IS AN EXCEPTION.)
3. VERY LIGHT GREY: The image selected that is
the “PRIMARY SELECTED” or “MOST SELECTED” image among multiple selected
images. The other images selected by
holding [CTRL] or [COMMAND] or [SHIFT] KEYS, become the “SECONDARY” selected
files with a LIGHT GREY BORDER.
4. DARK GREY: Images with a VIRTUAL COPY or images marked for "GROUP INTO A STACK", all show as DARK GREY in library grid mode. (VCs stacked with original resume the MID-GREY shade as for 1. )
When multiple files are selected-
*Clicking on the IMAGE AREA in a thumbnail of one of the selected files upgrades this image to the “Primary” selected image. (aka. “Master” image) and the “Secondary” selections (aka “Child” selections) remain selected.
*Clicking on an image thumbnail GREY BORDER- deselects all other images.
*[CTRL+A] will select all images in Grid View.
*[CTRL+D] will deselect all and every ‘selected’ image (ie. none are selected). Also Click on page background.
*Pressing the [ / ] key deselects the selected images starting from the Primary image selected and resets the next image to the “Primary”.