[sandra_vu]

Do not get stuck in the game of words.

UI Component Names can be quite fluid.

Shopify Polaris Design System calls them "feedback indicators"

https://polaris-react.shopify.com/components/feedback-indica...

Carbon by IBM calls them notification https://carbondesignsystem.com/components/notification/usage...

You should read these two guides.

And try to find a common ground with your team.