You may add filters to the desired elements (dimensions and/or metrics): click on the element in question, then click the "Add" button in the right-hand panel.
Tip: Filters can be applied independently to each dimension and each metric. Elements that are filtered will be indicated by a small funnel-shaped icon.
Two types of filters can be applied to dimensions and metrics: "AND" and "OR". To choose one or the other, click on the "AND" or "OR". You may add up to 30 filters. Please note, you may only choose one type of filter for a single dimension or metric.
Tip: The "AND" filter is useful for making multiple exclusions, as well as for obtaining a "between" concept. For example, obtain visits whose time spent per page is between 10 seconds and 60 seconds.