You assume what they say is the same as what they are thinking The converse is also true. People saying something assume that people listening are understanding and thinking about the same thing. This is why it's important to write things down in details and as-unambiguous-as-you-can forms. If you're in a meeting and someone puts up a slide deck with a 6 word bullet point that 'explains' what they want, that is a sig…
What I say: This is not ready for production. What management hears: We can sell this to the customer for acceptance testing.
What management hears: We want more pizza parties.