The tags let the tasks have their distinctive features. Use filters to conveniently view your cases! Filters are unique advantage of LeaderTask: you will be able to view the list of your cases from the side that is convenient for you!
 
The filter will select only those tasks that satisfy your desired conditions – a set of tags – from the whole multitude of tasks. You will be able to set your filters only for displaying tasks concerning a particular project; or tasks connected with a certain place or person (context planning)

At that a task can have several tags at once, for example: Category+Category+Contact+Project+Period. Thus maximum flexibility in selection of tasks is achieved!