What does multi select mean?
multiselect (plural multiselects) (computing, graphical user interface) A control or widget that allows multiple items to be selected.
What is a multi select component?
Multiselect lets users select multiple items from a list. Options are dynamically filtered as a user types in the input field and their selections appear as tags in the input field.
How do you use multi select?
Multiple items are selected by holding down SHIFT and clicking them with the mouse or by holding down SHIFT and pressing an arrow key to extend the selection from the previously selected item to the current item.