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Yard Management System (YMS):

A system which is designed to facilitate and organize the coming, going and staging of trucks and trucks with trailers in the parking "yard" that serves a warehouse, distribution or manufacturing facility.

Yield:

The ratio of usable output from a process to its input.

YMS:

See: Yard Management System

Yokoten:

A term Toyota adopted to capture the idea of horizontal transfer of information and knowledge across an organization. Yokoten is a two-way street, requiring proactive effort from both those acquiring and developing the knowledge and those who could benefit from greater understanding of the requirements for success.