Ask HN: “Speak in the language of your customer” or “don't use jargon”?

If it's your customer's language then it's not jargon to them, it's just how they normally talk.

Because it is something they can relate to and it can build trust and respect if you can be directly on their level with how you discuss various problems or handle conflict.

"Speaking the language of your customer".

One, the customer is always right. This trumps all.

Two, many people (customers included) don't know what "jargon" means.