During sprint planning the backlog items are chosen from the product backlog and placed on the sprint backlog.

The product backlog is the outcome of a development project.

Missing feature descriptions are first entered in the sprint backlog and at the end of a sprint they are transferred to the product backlog.

DRNA officer: person employed by DRNA, responsible for monitoring environmental resources, enforcing compliant use of resources, document and report violations of rules, ...

beach resident: a person who lives in a building adjacent to a beach

DRNA management: person(s) who are in charge of overseeing the work of some DRNA personnel, to provide them means of conducting that work, to assign work to them, ...

swimmer: a person located in the water, not supported by the ground, and moving her/his body in order to propel their body through water