(one pair of single quotation marks, written as (‘ ’) and used especially for a quotation within another quotation): He said, “I told you to say ‘Open, sesame’ when you want to enter the mountain.”.
Examples from the web for single quotes
To search for a phrase, enclose it in single quotes.
single quotes may be used to avoid having the enclosed values interpreted.
Since some of the operators are special characters, the list of expressions should always be enclosed in single quotes.
There are three quoting mechanisms: the escape character, single quotes, and double quotes.
Make sure the field has double quotes and the selection has single quotes around it.
No double or single quotes are to be present in the file.