Anything you can do to a log.

• . . . on a log.
• . . . with a log.
• . . . around a log.
• . . . despite a log.
• . . . regarding a log.

I always remember it because it has the word “position” in it. They’re words that describe the “position” of something in location, direction, or time.

I’m going “to” the park. I sat “on” the chair. I’ll see you “at” noon.