Explaining to plumber what an enclosed bathtub/shower is?

I am looking to install a bathtub and shower enclosure unit in my house. The plumber has no idea what I'm talking about. He thinks I mean the glass that goes around the tub only not an entire unit. I've attached a picture am I using the correct name? Any advice? This is a link to one of the units I'm... show more I am looking to install a bathtub and shower enclosure unit in my house.

The plumber has no idea what I'm talking about. He thinks I mean the glass that goes around the tub only not an entire unit.

I've attached a picture am I using the correct name? Any advice? This is a link to one of the units I'm considering:
https://www.wayfair.com/Eagle-Bath-Slidi...
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