If the repeated sequence is all 0s, both the zeros and the quote mark can be omitted.

Zerbrowski made little quote marks with his fingers when he said accident.

The quote marks make the difference, and once we see those our interest-antennae rise.

In these cases, the commas can come after the quote marks.

Serena had used the fingers of both hands to form the quote marks around the word career.

On confusing prime symbol with quote mark, couldn't this be more about font design than anything else?

Sometimes the whole phrase is put in quote marks - "won the Cold War."

He made quote marks in the air with his fingers.

He made quote marks with his fingers around the word "borrow."

One type is a 'string', or a collection of things inside a quote mark.