A really basic question prompted by change from Windows to iMac Retina. We take loads of photos - family/travel etc, and select perhaps 5% of them to keep. Much of this selection is of course from very similar shots. They are mainly shot on freestanding camera with a minority on iPhone. We call this "editing", but clearly it is not. We might actually edit/enhance a mere 5% of those retained, mainly using Photoshop Elements ( now 12). We generally have the photos organised in folders which are generally year and month, with further subdivision for the larger ones. Can anyone advise on a suggested workflow and screen arrangement that best aids this selection process, which obviously requires an ability to see numerous photos simultaneously or at least to be able to toggle rapidly between them? As far as I can see, the Photo app is of little or no help here. Is that right? Are there other basic apps which would help? Sorry if this is an incredibly naive post!