(Digression: another possible filter would be "currently running". The pulldown for a currently running activity/instance would include halt and view source, just as the pulldown from the frame)
+
(Digression: another possible filter would be "currently running". The pulldown for a currently running activity/instance would include halt and view source, just as the pulldown from the frame, and there could be a dark grey (frame-shade) rounded rect behind the icon, as a visual cue that it is currently running.)
[[Image:family.png]]
[[Image:family.png]]
−
A pane on the right would show all activities. It could include a horizontal scrollbar (not shown.) If the current filter had an excessive number of activities, the ring would include a ... icon and the right pane would open by default.
+
A pane on the right would show all activities. It could include a horizontal scrollbar (not shown.) Dragging between the ring and that pane would assign/remove the currently filtered tag. The menu for activities on the right would include "start" (tagless, default) and "start with current tag".
+
+
If the current filter had an excessive number of activities, the ring would include a ... icon and the right pane would open by default.