Explanation
The Where method is used to filter data in a List or Data Table based on a condition. It returns a new collection that contains only the elements that satisfy the condition12. The other methods are used for different purposes: OrderBy for sorting, GroupBy for grouping, and Select for projecting3.
References:
Linq query to filter datatable forum post, Answer by @ppr
How to use LINQ on a DataTable in Uipath forum post, Answer by @Dave
How to use LINQ [Basic to Advanced] in UiPath event description, Introduction section