I have run my business from my Mac for the last 20 years.
Some of my brochures and newsletters have dozens of images in them, and in different resolutions, plus greyscale as well as colour.
Then there are pdfs, Word and Pages documents, and so on. Spotlight is great, but I also use a program called Leap from Ironic Software.
With it I can ‘tag’ any file with ease.
Here’s what it looks like…