blank space,
space,
place the unlimited expanse in which everything is located; "they tested his ability to locate objects in space"; "the boundless regions of the infinite"
Verb
indenture -
bind by or as if by indentures, as of an apprentice or servant; "an indentured servant"
indenture -
To bind a person under such a contract.
Wikipedia
An indenture is a legal contract reflecting a debt or purchase obligation, specifically referring to two types of practices: in historical usage, an indentured servant status, and in modern usage, an instrument used for commercial debt or real estate transaction.