Suppose there is a long sentence like:
This London hit show took America by storm, full of charm, humour and delightful songs that make it a perfect theatrical event for the entire family.
And you want to cut it off after an arbitrary specified amount of characters like so:
This London hit show took America by storm, full of charm, humour and delightful songs that make...
What is the name for the missing text indicated by the three-dot ellipsis?