Could you help me with the following in bold?
1. The manufacturing operations team of an electronics company has a quality problem caused by an unexpected change in the specification of a part from a supplier. They put together a team of people from manufacturing, logistics, purchasing, quality, and the supplier.
In the above, what's the meaning of "a part"? Does it refer to "one of the separate pieces that a machine is made of?" If so, what does "specification of a part" mean?
2. People need to get to know one another and develop ways of working that suit the team members. They need to build consensus and buy in to decisions. They need to decide who does what...........
Is "buy in" in the above saying "agree to decisions?"