Short answers, pulled from the story.
The Rigveda was composed in the second millennium BCE and contains the earliest known discussions of dana. Book 10, Hymn 117 translates to a plea for truth and giving to those in distress.
Verse 17.20 describes satvik charity given without expectation of return at the proper time and place. Verse 17.21 outlines rajasic charity given with the expectation of some return or result. Verse 17.22 characterizes tamasic charity as ignorant and destructive because it is offered with contempt to unworthy persons.
Xuanzang, a Chinese pilgrim who traveled to India during the seventh century, documented numerous Punyasalas. These houses of goodness appeared in Takka and near Deva temples at Haridwar.
Four specific types of dana appear in Jain scriptures: food medicine knowledge and protection from fear. Yashastilaka's book VIII section 43 dedicates substantial discussion to the concept within Jain soteriology.
Vand chhako represents one of three duties required of Sikhs alongside prayer and labor. The duty entails sharing part of one's earnings with others through charity and selfless service.