What is the determination for flour (daqīq) and parched grain (swīq)?

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Flour and parched grain are measures because their origin (the grain) is a measure, and no text has transferred their ruling to weight. They also resemble items that are typically measured. Evidence for this is that Zakat al-Fitr is paid with a *sa'* of flour, and the *sa'* is a measure used for measured goods. Consequently, dried yogurt (aqt) is also a measure, as a *sa'* of *aqt* is mentioned for the Sadaqat al-Fitr.