The Library View Options determine how photos look in the Grid view. You can specify different combinations of elements, ranging from showing only thumbnails, to thumbnails accompanied with photo information, filters, and Rotation buttons.
Show Clickable Items On Mouse Over Only
Shows clickable items, such as Rotation buttons and flags, only when the pointer moves over the cell. Deselecting this option means that clickable items are always displayed.
Quick Collection Markers
Shows the Quick Collection marker in the upper-right corner of the photo thumbnail.
Shows thumbnail badges indicating which photos have keywords, cropping applied, or image adjustments.
When you’ve added metadata or keywords to a photo in Lightroom Classic CC without saving the metadata to file, the Metadata File Needs To Be Updated icon appears in the upper-right corner of the cell area. See View unsaved metadata.
Show Header With Labels
Shows the header area of the thumbnail cell. The header area can display up to four labels that you choose from the menus.
From the Show Grid Extras menu, choose one of the following to set the size of the thumbnail cells in the Grid view:
Displays the most photo information available in the Grid view, including a header with up to four metadata labels.
You can quickly change the Grid view options by choosing from the Grid View Style menu. The views are based on the default or custom view options set in the Library View Options.
The Library View Options determine what information displays with your photos in the Loupe view. You can specify two different sets of information.