Joint Application Development | the energy generated by intense JAD sessions can often shorten the period required to work out the requirements from several months to several days | regular brainstorming, and negotiation of specific wording | away from the offices of any of the participants so that nobody is interrupted by any other activity | developers meeting with customers and users in a secluded location for a period of three to five days to define the requirements | An approach to defining requirements, in which all the stakeholders meet intensively for several days in a secluded location | brainstorming | JAD | requirements gathering | a written requirements document |