Which best explains the distinction between mal and shayʾ?

Kitab al-Iqrar: Capacity, Unspecified Rights, and Amounts in Admissions

• Mal always means a house and shayʾ always cash
• Both necessarily require 200 dirhams in all cases
• Mal more directly denotes property with recognized financial value
• The beneficiary, if the beneficiary disagrees with the explanation