Cash means more than just cash on hand and cash in the bank. highly liquid, short-term investments that are easily convertible into cash are called:

Cash equivalents, the investments securities that are for short-term investing, and they have high credit quality and are highly liquid. Cash equivalents, also known as "cash and equivalents," are one of the three main asset classes, along with stocks and bonds. Cash equivalents also serve as one of the most important health indicators of a company's financial system.