On each of the BSM dashlets, you can click on the Business Service, Component or Host, as shown below:
For Business Services and Components you can click on the 'Investigate' button which will load a modal investigate window. The concept behind 'investigate' is to allow you to spot an offline business service, click on 'investigate', and be able to view the end to end Business Service in a modal window, as shown below:
The modal views can be 'pinned' to the dashboard, i.e. if you really like the view you have in the modal window you can choose to add it to your current dashboard by clicking on the 'finger' icon, as below:
When clicked, the current modal window will be added to the dashboard as a pre-configured dashlet.
The modal window also contains another tab called 'Events', which will display the events for the Business Service (and its Components and Hosts), or the Component (and its Hosts), as below:
Again, this view can be pinned to the dashboard as a pre-configured dashlet.