What is the use of class= slds-truncate in Lightning Web Components?
Long text field with many lines and truncation will look like this. Even though the text might go on for ages and ages.
Regarding class= slds-truncate in Lightning Web Components - Long text will be truncated and ended with an ellipsis (...) Provides a cleaner output to the user for fields that are long that don't actually need to be shown on the screen being displayed, like a report. https://www.lightningdesignsystem.com/utilities/truncation/