Saturday Mac riddles 229

Here are this weekend’s riddles to entertain you through family time, shopping and recreation.

1: On-camera preview shows you files.

2: Cover for loose papers as a directory metaphor.

3: Worthless rubbish contains intended deletions.

To help you cross-check your solutions, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.