Cord
From Bahai9
Cord refers to the Faith itself and the power of the Faith that sustains those who cling to it[edit]
"The word 'cord', so often mentioned in the teachings, means both the Faith itself and also the power of the Faith which sustains those who cling to it."
- (From a letter written on behalf of the Guardian to an individual believer, April 18, 1941; also see The Will and Testament of ‘Abdu’l-Bahá, pp. 14-15, in Lights of Guidance, no. 1604)