1؎: From this, the permissibility of gesturing (isharah) during prayer at the time of necessity is established, such as responding to a greeting (salam) with a gesture, and so on.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
943. Commentary: For example, replying to a greeting (salam) or making a gesture to indicate silence. See: [گزشته باب 165۔ 166]
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 943